A and B are complementary angles. If mA=(x+8)° and mB =(8x+1),
find the measure of A

Step-by-step explanation:

We know that A and B are complementary angles. So, they must add up to 90°. As an equation:

Since we know their equations, substitute:

Solve for x. Combine like terms on the left:

Subtract 9 from both sides:

Divide both sides by 9:

So, the value of x is 9.

We want to find A. So, let's use the equation for A:

Substitute 9 for x:

Add:

So, the measure of A is 17°.

step-by-step explanation:

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step-by-step explanation:

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