The angles of a triangle are in the ratio 5:6:7. Find each angle.
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Answer:
x = 10°
∠A = 5x = 50°
∠B = 6x = 60°
∠C = 7x = 70°
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5x+6x+7x = 180° [angle sum property]
18x = 180°
x = 180°/18
x = 10°
now ,
5x+6x+7x = 5(10)+6(10)+7(10)
= 50 + 60 + 70
= 180.
Interior angles of the triangle = 180°
thus, angle a = 50°
angle b = 60°
angle c = 70°
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