The measure of angles of a triangle are in ratio 8 : 7 : 5 , find the measure of greatest angle
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Answer:
72°
Step-by-step explanation:
Let the ratio be 8x : 7x : 5x.
According to the angle sum property of traingle, the sum of all angles in a traingle is 180°.
=> 8x + 7x + 5x = 180°
=> 20x = 180°
=> x = 9°
Hence, largest angle = (8×9)° = 72°
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