Question

Find the measure of angle DEF

Answer 1

<DEF= 31.8°

Explanation:

Angle DEF is apart of a right angle which is 90°. The other angle, 58.2° is given and that plus DEF would equal 90°.

In an equation:

< DEF +58.2=90

-58.2 -58.2

----------------------------

<DEF= 31.8°

Answer 2

31.8

Explanation:

90-58.2=31.8

because the square in the middle means 90 degrees!