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30-12-2017
Mathematics

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Angle a, b and c of a triangle are in ratio 6:4:5 what is the valve of angle b?

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30-12-2017

A triangle has 180° total internal angle. The number 4 in the ratio means that 4/(6+4+5) = 4/15 of the total internal angle is made of angle b.

This means that angle b = 4/15 * 180° = 48°.

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