1. Which of the following is true about congruent triangles?

A. Two triangles are congruent if one of the sides is equal to its ange

B. Two triangles are congruent if the corresponding parts are not the

C. Two triangles are congruent if their corresponding sides and angles are equal

D. Two triangles are congruent if their corresponding sides are the same and their corresponding angles are neither equal.

2. Triangle ABC is congruent to triangle DEF, which side corresponds to segment AC?

A segment DE
C. segment DF
B. segment EF
D. segment AB

3. Triangle ABC is congruent to triangle DEF. The side of segment BC measures Bem, and segment AC measures 5 cm, what is the measurement of segment DE if the perimeter of triangle ABC is 20 cm.?

A. 7 cm
C.9 cm
B. 8 cm
D. 10 cm ।

4. Triangles GHI and JKL are both equilateral triangles and CH corresponds to 2K, what is their measurement?

A. 50
C. 70
B. 60"
D. 80​