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26 June, 05:12

In triangle RST, m∠R = (2x+10), m∠S = (2x+25), m∠T = (x-5)

what is the value of x

A. 30

B. 28

C. 26

D. 32

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Answers (1)
  1. 26 June, 08:09
    0
    Every triangle has a total of 180 degrees so when you plug in the answer for x all angles should add up to 180

    70+85+25=180 which means A. 30 is the correct answer

    (2 (30) + 10) + (2 (30) + 25) + (30-5) = 180
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