Chapter 3 Key Terms:
Complementary angles: angles that have a sum of 90 degrees.
congruent: shapes that have the exact same shape and size.
dialation: a transformation that stretches or shrinks a figure proportionaly producing a similar figure.
perimeter: distance around an object.
Pythagorean Theorem: in a right triangle. the leg squares plus the other leg squared equals the hypotenuse squared.
similar: objects that have the same shape, but different size.
vertex: the point on a two dimensional shape where two consecutive sides meet (the corner).
Similar Triangle Basics (video)
Using similar figures to find missing side lengths
VIDEO ON PROVING TRIANGLES SIMILAR
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