### Home > MC1 > Chapter 8 > Lesson 8.2.4 > Problem 8-66

8-66.

37° and *a* are complementary angles. Their sum is 90°.

90° − 37° = 53°

95° and *b* are supplementary angles. Their sum is 180°.

8-66.

37° and *a* are complementary angles. Their sum is 90°.

90° − 37° = 53°

95° and *b* are supplementary angles. Their sum is 180°.