This Geometry playlist includes an introduction to geometry, angles, quadrilaterals, circles, area and perimeter, three dimensional geometry, pythagorean theorem, transformations, congruence, similarity, and logic.

Krista King SUBSCRIBE 183K

1 Which are the Three Functions in Trigonometry by Krista King

2 What is a Trig Function (KristaKingMath)

3. How to use SUM-DIFFERENCE TRIG IDENTITIES (KristaKingMath)

by Krista King

4. How to prove equations using double-angle identities (KristaKingMath)

5 8:48 area of rectangles (KristaKingMath)

6 2:47 area of rectangles using sums and differences (KristaKingMath)

7 7:33 perimeter of rectangles (KristaKingMath)

8 4:56 area of parallelograms (KristaKingMath)

9 7:21 area of trapezoids (KristaKingMath)

10 5:16 area of a triangle (KristaKingMath)

11 3:08 pythagorean theorem (KristaKingMath)

12 5:07 finding perimeter using the pythagorean theorem (KristaKingMath)

13 5:14 pythagorean inequalities (KristaKingMath)

14 10:54 45-45-90 triangles (KristaKingMath)

15 10:07 30-60-90 triangles (KristaKingMath)

16 8:33 area of circles (KristaKingMath) Krista King

17 5:26 circumference of a circle (KristaKingMath)

18 6:50 degree measure of an arc (KristaKingMath)

19 6:10 arc length (KristaKingMath)

20 7:59 tangent lines of circles (KristaKingMath)

21 8:36 inscribed angles of circles (KristaKingMath)

22 12:15 intersecting secants and tangents with the vertex on, inside and outside the circle (KristaKingMath)

23 6:52 intersecting tangent and secant lines of circles (KristaKingMath)

24 4:01 intersecting chords of circles (KristaKingMath)

25 6:48 equation, center and radius, and intercepts of a circle (KristaKingMath)

26 7:34 nets of prisms (KristaKingMath)

27 3:11 volume of prisms (KristaKingMath)

28 7:20 surface area of prisms (KristaKingMath)

29 8:21 surface area to volume ratio of prisms (KristaKingMath)

30 4:06 nets of pyramids (KristaKingMath)

31 4:05 volume of pyramids (KristaKingMath)

32 6:36 surface area of regular pyramids (KristaKingMath)

33 4:01 nets of cylinders (KristaKingMath)

34 4:47 volume of cylinders (KristaKingMath)

35 6:45 surface area of cylinders (KristaKingMath)

36 3:15 nets of cones (KristaKingMath) Krista King

37 4:16 volume of cones (KristaKingMath) Krista King

38 4:46 surface area of cones (KristaKingMath) Krista King

39 5:03 volume of spheres (KristaKingMath) Krista King

40 4:31 surface area of spheres (KristaKingMath) Krista King

41 8:53 naming simple geometric figures (KristaKingMath)

42 7:39 length of a line segment (KristaKingMath) Krista King

43 2:27 Line segments in 3D: Finding the midpoint! (KristaKingMath)

44 7:11 The isosceles triangle theorem is actually really simple! (KristaKingMath)

45 9:07 Are the triangles similar? Can you prove it?! (KristaKingMath)

46 24:45 Pythagorean theorem - What is it?

47 What is the Midpoint Formula

48 TRIANGLE PROOFS: SAS or ASA?

49. Triangle Congruence Theorems

50. WHY SSA DOES NOT PROVE CONGRUENCE!