delanoanderson delanoanderson

02-02-2020
Mathematics

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What’s the measure of A

Whats the measure of A class=

Respuesta :

manjotsanghera628 manjotsanghera628

02-02-2020

If angle A and B are complementary that means,

Measure of angle A + Measure of angle B = 90°

(x+16)° + (x-12)° = 90°

x+16+x-12 = 90°

2x+4 = 90°

2x+4-4 = 90°-4 (Subtraction Property)

2x = 86°

2x/2 = 86/2 (Division Property)

x = 43°

So,

For the measure of angle A, Plug in the value of x

(x+16)° = 43+16 = 59° ( ANSWER)

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