∠A and ∠B are complementary angles. The measure of ∠A is twice the measure of ∠B.
Write and equation to represent the complementary angle relationship between ∠A and ∠B. Use the equation to find the measure of ∠A and ∠B. Show all of your work.

A + B = 90

A = 60°

B = 30°

Step-by-step explanation:

A + B = 90

A = 2B

2B + B = 90

3B = 90

B = 30

A = 2B = 2(30)

A = 60°

Step-by-step explanation:

<A + <B = 90 °

<A = 2 <B

2<B + <B = 90°

3 <B = 90°

<B = 90° / 3

= 30°

<A = 2<B

<A = 2 × 30°

= 60°

b

step-by-step explanation:

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8