Geometry, Dialation and Similar Figures Unit
_____ 1. Lines and Angles Facts
____ a. Vertical/Adjacent
____ b. Supplementary/Complementary
____ c. corresponding angles
____ d. alternate interior angles
____ e. alternate exterior angles
____ f. perpendicular bisector
_____ 2. Triangle facts
____ a. interior angles = 180
____ b. base angles of isosceles ≅
____ c. segment from 2 midpt. is // and ½ base
____ d. medians meet at a pt.
_____ 3. Parallelogram facts
____ a. opposite sides ≅
____ b. opposite angles ≅
____ c. diagonals bisect each other
____ d. rectangle=parallelogram w/≅ diagonals
_____ 4. Dilation
____ a. Scale factor
____ b. Draw new figure
____ c. Line through center no change
____ d. Line not center is //
_____ 5. Similar figures
____ a. Angles =
____ b. Sides proportional
_____ 6. Similar Triangles
____ a. Proof
____ b. Line // to base = similar triangle (side splitter)
____ c. Line perp through right angle = similar triangle (Geometric Mean)