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25-08-2020
Mathematics

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The three angles in a triangle are in the ratio 3:5:7. Find the largest angle in the triangle?

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Skiittlxs Skiittlxs

25-08-2020

Answer: The largest angle is 7x

Step-by-step explanation:

Their sum is 180, so

3x + 5x + 7x = 180

5x = 180 --> x = 12

The largest angle is 7x, which is 7(12) = 84

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