Unit Six: Meaning of Similarity - Theorems

Triangle ABC ~ Triangle ADE BC is parallel to DE. AB = x, AD = 5, AC = x + 1 and AE = 7. The value of x is 0.5 1.5 2.5 3.5

2.5

Triangle ABC ~ Triangle ADE BC parallel to DE. BC = 6, DE = 9 Which of the following could be the lengths of AB and BD respectively? 2 and 3 3 and 4.5 4 and 2 4 and 8

4 and 2

Triangle ABC ~ Triangle ADE If BC is parallel to DE, then all of the following are equivalent to each other except AD/AB DE/BC CE/AC AE/AC

CE/AC

True/False - All acute triangles are similar.

False

True/False - All isosceles triangles are similar.

False

True/False - All right triangles are similar.

False

Which of the triangle(s) shown is similar to triangle c? b d e f g h

H

True/False - All equilateral triangles are similar.

True

True/False - All isosceles right triangles are similar.

True

Triangle ABC ~ Triangle ADE AC = 4, AE = 7, AD = 10, what is the length of AB? 1 3/7 2 1/2 5 5/7 17 1/2

5 5/7

In a pair of similar polygons, corresponding angles are congruent. sometimes never always cannot be determined

Always