Question

Fill in the blanks with the correct angle relationship.

The measures of two
angles add to equal 180
∘
∘
.
​The measures of two
angles add to equal
9
0
∘
90
∘
.

​The measures of two
angles are equal.

Answer 1

Here are the correct angle relationships for the blanks provided:

1. The measures of two **supplementary** angles add to equal 180°.
2. The measures of two **complementary** angles add to equal 90°.
3. The measures of two **congruent** angles are equal.