Geometry

10409

Semester 1

Students must complete the following to receive full credit for EACH credit/unit:

Terms Define all terms, give examples when appropriate

Notes 10 Bullet Points from each section or 3-5 sentence summaries from each section

Questions Answer the questions completely

Test Take each test found at: https://testmoz.com/class/16400

All test passwords are: osc

All videos have Spanish translations under the play button.

Todos los videos tienen traducción al español debajo del botón de reproducción.

Unit 1 - Basics of Geometry

Terms to Know:

Terms to Know:

  • acute angle

  • adjacent angles

  • angle

  • angle bisector

  • axiom

  • collinear points

  • complementary angles

  • congruent angles

  • congruent segments

  • construction

  • coordinate

  • coplanar points

  • defined terms

  • distance

  • endpoints

  • exterior of an angle

  • interior of an angle

  • intersection

  • line

  • line segment

  • linear pair

  • midpoint

  • obtuse angle

  • opposite rays

  • plane

  • point

  • postulate

  • ray

  • right angle

  • segment

  • segment bisector

  • sides of an angle

  • straight angle

  • supplementary angles

  • undefined terms

  • vertex of an angle

  • vertical angles

Notes: 10 Bullet Points from each section or 3-5 sentence summaries from each section.

Section 1.1: Points, Lines, and Planes

Example 1

Example 2

Example 3

Example 4

Example 5

Section 1.2: Measuring and Constructing Segments

Example 1

Example 2

Example 3

Example 4

Section 1.3: Using Midpoint and Distance Formulas

Example 1

Example 2

Example 3

Example 4

Section 1.4: Perimeter and Area in the Coordinate Plane

Example 1

Example 2

Example 3

Example 4

Section 1.5: Measuring and Constructing Angles

Example 1

Example 2

Example 3

Example 4

Example 5

Section 1.6: Describing Pairs of Angles

Example 1

Example 2

Example 3

Example 4

Example 5

Important Questions: Answer the following Questions

Use the diagram above for Questions 1-7.

1. Give two names for the plane.

2. Name three collinear points.

3. Name three coplanar points.

4. Name three points.

5. Name one ray.

6. Name two lines.

7. Name one line segment.

8. Find the distance between the two points S(-5, -2) and T(-3, 4).

Find the angle measure.

9. Angle B is a supplement of Angle A and the measurement of Angle A = 65.2°. Find the measurement of Angle B.

10. Angle B is a complement of Angle A and the measurement of Angle A = 65.2°. Find the measurement of Angle B.

Take the Geometry Unit 1 Test at https://testmoz.com/class/16400


Unit 2 - Reasoning and Proofs

Terms to Know:

Terms to Know:

  • biconditional statement

  • conclusion

  • conditional statement

  • conjecture

  • contrapositive

  • converse

  • counterexample

  • deductive reasoning

  • equivalent statements

  • flowchart proof (flow proof)

  • hypothesis

  • if-then form

  • inductive reasoning

  • inverse

  • line perpendicular to a plane

  • negation

  • paragraph proof

  • perpendicular lines

  • proof

  • theorem

  • truth table

  • truth value

  • two column proof

Notes: 10 Bullet Points from each section or 3-5 sentence summaries from each section.

Section 2.1: Conditional Statements

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Section 2.2: Inductive and Deductive Reasoning

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Section 2.3: Postulates and Diagrams

Example 1

Example 2

Example 3

Example 4

Section 2.4: Algebraic Reasoning

Example 1

Example 2

Example 3

Example 4

Example 5

Section 2.5: Proving Statements About Segments and Angles

Example 1

Example 2

Example 3

Example 4

Section 2.6: Proving Geometric Relationships

Example 1

Example 2

Example 3

Example 4

Example 5

Important Questions: Answer the following Questions

Describe the pattern. Then write the next two numbers or figures.

  1. 1, 4, 9, 16, 25, ...

Rewrite the conditional statement in if-then form. Then write the converse, inverse, and contrapositive of the conditional statement. Decide whether each statement is true or false.

2. It is noon when the clock strikes 12.

3. An angle measure of 87° is an acute angle.

4. The month of November is after December.

Write the converse and inverse of the statement.

5. If it is Sunday, then it is the weekend.

6. If an animal is a bird, then it has two eyes.

Find a counterexample to show that the conjecture is false.

7. The difference of a positive number and a negative number is always positive.

8. If a triangle measures 180°, each angle is 60°

Decide whether inductive reasoning or deductive reasoning is used to reach the conclusion.

9. Gas prices have gone up every day this week. The price of gas will go up tomorrow.

10. What goes up must come down. The ball went up. It will come down.

Take the Geometry Unit 2 Test at https://testmoz.com/class/16400


Unit 3 - Parallel and Perpendicular Lines

Terms to Know:

Terms to Know:

  • alternate exterior angles

  • alternate interior angles

  • consecutive interior angles

  • corresponding angles

  • directed line segment

  • distance from a point to a line

  • parallel lines

  • parallel planes

  • perpendicular bisector

  • skew lines

  • transversal

Notes: 10 Bullet Points from each section or 3-5 sentence summaries from each section.

Section 3.1: Pairs of Lines and Angles

Example 1

Example 2

Example 3

Section 3.2: Parallel Lines and Transversals

Example 1

Example 2

Example 3

Example 4

Example 5

Section 3.3: Proofs With Parallel Lines

Example 1

Example 2

Example 3

Example 4

Section 3.4: Proofs With Perpendicular Lines

Example 1

Example 2

Example 3

Section 3.5: Equations of Parallel and Perpendicular Lines

Example 1

Example 2

Example 3

Example 4

Example 5

Important Questions: Answer the following Questions

Use the Diagram above to Identify all pairs of angles of the given type for Questions 1-5.

1. consecutive interior

2. alternate interior

3. corresponding

4. alternate exterior

5. vertical

Complete the sentence.

6. The slopes of perpendicular lines are _______________.

7. Parallel lines have the _______________ slope.

8. The shortest distance from any point to a line is a _______________.

Determine which lines, if any, are parallel or perpendicular.

9. Line a: y = 5x - 6

Line b: x + 5y = 5

10. Line a: 2x + y = 10

Line b: -6x - 3y = 3

Line c: x - 2y = 8

Take the Geometry Unit 3 Test at https://testmoz.com/class/16400


Unit 4 - Transformations

Terms to Know:

Terms to Know:

  • angle of rotation

  • center of dilation

  • center of rotation

  • center of symmetry

  • component form

  • composition of transformations

  • congruence transformation

  • congruent figures

  • dilation

  • enlargement

  • glide reflection

  • horizontal component

  • image

  • initial point

  • line of reflection

  • line symmetry

  • line of symmetry

  • preimage

  • reduction

  • reflection

  • rigid motion

  • rotation

  • rotational symmetry

  • scale factor

  • similar figures

  • similarity transformation

  • terminal point

  • transformation

  • translation

  • vector

  • vertical component

Notes: 10 Bullet Points from each section or 3-5 sentence summaries from each section.

Section 4.1: Translations

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Section 4.2: Reflections

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Section 4.3: Rotations

Example 1

Example 2

Example 3

Example 4

Section 4.4: Congruence and Transformations

Example 1

Example 2

Example 3

Example 4

Section 4.5: Dilations

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Section 4.6: Similarity and Transformations

Example 1

Example 2

Example 3

Important Questions: Answer the following Questions

The graph above shows quadrilateral ABCD. Which set of vertices represents a rotation? a glide reflection? a translation? a similarity transformation? Write a rule for each of these transformations.

1. A'(-3, 1), B'(-1, 4), C'(-3, 6), D'(-6, 3)

2. A'(-5, -5), B'(-3, -8), C'(-5, -10), D'(-8, -7)

3. A'(-8, 0), B'(-4, -6), C'(-8, -10), D'(-14, -4)

4. A'(1, -3), B'(4, -1), C'(6, -3), D'(3, -6)

5. A'(-1, -3), B'(-4, -1), C'(-6, -3), D'(-3, -6)

6. A'(6, 1), B'(8, 4), C'(6, 6), D'(3, 3)

Determine whether the polygons with the given vertices are congruent. Use transformations to explain your reasoning.

7. A(8, -6), B(1, -3), C(1, -9), and D(-7, 1), E(0, -2), F(0, 4)

8. J(-4, 1), K(-10, 3), L(-10, 9), M(-4, 7) and N(4, 2) O(2, -8), P(-4, -8), Q(-2, 2)

9. Identify the line symmetry (if any) of the word CHECKBOOK?

10. Find the component form of the vector that translates P(4, 5) to P'(-3, 7).

Take the Geometry Unit 4 Test at https://testmoz.com/class/16400


Unit 5 - Congruent Triangles

Terms to Know:

Terms to Know:

  • base angles of an isosceles triangle

  • base of an isosceles triangle

  • coordinate proof

  • corollary to a theorem

  • corresponding parts

  • exterior angles

  • hypotenuse

  • interior angles

  • legs of an isosceles triangle

  • legs of a right triangle

  • vertex angle

Notes: 10 Bullet Points from each section or 3-5 sentence summaries from each section.

Section 5.1: Angles of Triangles

Example 1

Example 2

Example 3

Example 4

Section 5.2: Congruent Polygons

Example 1

Example 2

Example 3

Example 4

Example 5

Section 5.3: Proving Triangles Congruence by SAS

Example 1

Example 2

Example 3

Section 5.4: Equilateral and Isosceles Triangles

Example 1

Example 2

Example 3

Example 4

Section 5.5: Proving Triangles Congruence by SSS

Example 1

Example 2

Example 3

Example 4

Section 5.6: Proving Triangles Congruence by ASA and AAS

Example 1

Example 2

Example 3

Section 5.7: Using Congruent Triangles

Example 1

Example 2

Example 3

Example 4

Section 5.8: Coordinate Proofs

Example 1

Example 2

Example 3

Example 4

Example 5

Important Questions: Answer the following Questions

Use the Graphic above to find the measure of the missing angles for Questions 1-5.

1. Measure of Angle 1

2. Measure of Angle 2

3. Measure of Angle 3

4. Measure of Angle 4

5. Measure of Angle 5

Given that PQRS is equivalent to WXYZ, find the corresponding parts.

6. Angle P is congruent to

7. Line Segment RS is equivalent to

8. Line Segment XY is equivalent to

9. Angle Y is congruent to

10. Line Segment PS is equivalent to

Take the Geometry Unit 5 Test at https://testmoz.com/class/16400