The angles of a triangle are in the ratio5:7:8.Calculate the three angles.
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A = 45° B = 63° & C = 72°
Step-by-step explanation:
The angles are in the ratio 5 : 7 : 8
The sum of all the angles in a triangle = 180°
=> 5x + 7x + 8x = 180°
=> 20x = 180°
=> x = 9°
Therefore A = 5x = 45° B = 7x = 63° C = 8x = 72°
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