Question

What is the complementary angle of ${42}^{\circ }$?

• A. ${40}^{\circ }$
• B. ${42}^{\circ }$
• C. ${48}^{\circ }$
• D. ${90}^{\circ }$

Answer 1

The correct option is C ${48}^{\circ }$

An angle and its complementary angle sums to ${90}^{\circ }$.
Complementary angle of ${42}^{\circ }$ = ${90}^{\circ }$ - ${42}^{\circ }$ = ${48}^{\circ }$.