Question

M∠ABC=138° and m∠DEF=31° .

Which statement is true about ∠ABC and​ ∠DEF ​?
a)The angles are neither complementary nor supplementary.
b)The angles are supplementary.
c)The angles are complementary.

Answer 1

The angles are neither complementary nor supplementary.

Explanation:

Answer 2

a)The angles are neither complementary nor supplementary.

Complementary- Two angles whose sum add up to 90° ( a right angle)

Supplementary-Two angels whose sum when added together is 180°

It seems to be a obtuse angle - more than 90° but less than 180°