Question

Help please! last question!

m ∠ ABC = 138° and m ∠ DEF = 31°.

Which statement is true about ∠ABC and​ ∠DEF ​?

The angles are complementary.

The angles are supplementary.

The angles are neither complementary nor supplementary.

Answer 1

The angles are neither complementary nor supplementary.

Explanation:

The angles are complementary.

To be complementary they need to add to 90

The angles are supplementary.

To be supplementary they need to add to 180

The angles are neither complementary nor supplementary.

What do they add to?

138+31 = 169

They are neither complementary nor supplementary