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ΔABC is a right triangle. m ∠A is 6° less than three times m ∠B. Find m ∠A and m ∠B, assuming ∠A is an acute angle.
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Jan 21, 2018
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ΔABC is a right triangle. m ∠A is 6° less than three times m ∠B.
Find m ∠A and m ∠B, assuming ∠A is an acute angle.
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Swille
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m∠A = 3x - 6
m∠B = x
180° = 90° + (3x - 6°) + x
4x - 6° = 180° - 90°
4x = 96°
x = 24°
m∠A = 3(24°) - 6°
m∠A = 66°
m∠B = 24°
Hooney
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Jan 25, 2018
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