itsjusthalloween itsjusthalloween

18-09-2020
Mathematics

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Angle A and angle b are complementary angles. If m angle A=4x+6 and m angle b=4x-4 then find the measure of angle A

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unicorn3125 unicorn3125

20-09-2020

Answer:

m∠A = 46°

Step-by-step explanation:

∠A and∠B being complementary means m∠A+m∠B=90°

m∠A = (4x+6)° and m∠B = (4x+4)°

so:

4x+6 + 4x+4 = 90

8x + 10 = 90

8x = 80

x = 10

m∠A = (4•10+6)° = 46°

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