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07-04-2020
Mathematics

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In △ABC , m∠C=(5x)° , m∠B=x° , and m∠A=(3x)° . What is m∠C ?

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devishri1977 devishri1977

07-04-2020

Answer:

Step-by-step explanation:

Sum of all angles of triangle = 180

m∠A + m∠B + m∠C = 180°

3x° + x° + 5x° = 180°

9x° = 180°

x = 180/9

x = 20°

m∠C = 5x = 5*20° = 100°

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