Question

a. congruence
b. similarity
c. symmetry
d. proportionality
which statement is true about corresponding parts in congruent shapes?
a. corresponding parts can have different sizes.
b. corresponding parts must match in length and angle measure.
c. corresponding parts are irrelevant in determining congruence.
d. corresponding parts are only used in dilation transformations.

Explanation:

Congruent shapes are identical in shape and size. By definition, corresponding parts of congruent shapes must match in length and angle measure.

Answer:

1. a. Congruence
2. b. Corresponding parts must match in length and angle measure.