blubs6103
blubs6103 blubs6103
  • 25-08-2017
  • Mathematics
contestada

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

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Banabanana
Banabanana Banabanana
  • 25-08-2017
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°
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