Question

∠1 and ∠2 are complementary angles. Given the measure of ∠1, find m∠2.

Answer 1

The sum of the measures for complementary angles adds up to 90°;

$m∠1 +m∠2=90°$

If m∠1 =5°, then

$5°+m∠2=90°$

$m∠2=90°-5°$

$m∠2=85°$