Question

select the correct answer. which pairs of polygons are congruent? a. pairs 1, 2, and 3 b. pairs 1, 2, 3, and 4 c. pairs 2 and 3 d. pairs 1 and 3

Explanation:

Step1: Check pair 1

The two polygons in pair 1 have the same shape and size. They can be superimposed on each other by translation and rotation.

Step2: Check pair 2

The two polygons in pair 2 have different shapes. One has a vertical - extended part that the other does not have.

Step3: Check pair 3

The two triangles in pair 3 have the same shape and size. They are congruent.

Step4: Check pair 4

The two polygons in pair 4 have different shapes. One is a non - isosceles triangle and the other is an isosceles triangle.

Answer:

D. pairs 1 and 3