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The angles in a triangle are in the ratio of 5:7:8. Find the measure of each angle.
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The angles in a triangle are in the ratio of 5:7:8. Find the measure of each angle.

User Technoguyfication
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1 Answer

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In a triangle, the three interior angles always add to 180°

5x + 7x + 8x = 180
20x = 180
x = 180/20
x = 9

m∠1 = 5x = 5*9 = 45°

m∠2 = 7x = 7*9 = 63°

m∠3 = 8x = 8*9 = 72°

Answer:
45°, 63° and 72°
User Woong
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