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23-08-2017
Mathematics

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If the angles of a triangle are in the ratio 1:3:5, what is the measure of the smallest angle

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Banabanana Banabanana

25-08-2017

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

x + 3x + 5x = 180
9x = 180
x = 180/9
x = 20

the smallest angle = x = 20°

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