Question

in the figure, m∠1=(x + 12)° and m∠2=(5x)°. part 1 of 2 (a) write an equation to find x. make sure you use an \=\ sign in your answer. equation:

Explanation:

Step1: Identify angle relationship

Since the two angles ∠1 and ∠2 are complementary (they form a right - angle), their sum is 90°.
$(x + 12)+5x=90$

Answer:

$(x + 12)+5x=90$