Question

HElp meee
explain how to do this also

Answer 1

Answer:

$\huge\boxed{\sf x = 18\°}$

Explanation:

If ∠ABC and ∠DEF are complementary angles, this means they add up to 90 degrees.

So,

∠ABC + ∠DEF = 90°

72 + x = 90

Subtract 72 to both sides

x = 90 - 72

x = 18°

$\rule[225]{225}{2}$