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17 March, 07:11

Find the length of the missing side. If necessary, round to the nearest tenth.

side A=10

side B=19

side C=C

A. 21.5

B. 58

C. 29

D. 841

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Answers (1)
  1. 17 March, 10:30
    0
    The correct answer would be A. 21.5

    a^2 + b^2 = c^2

    so ...

    100 + 361 = c^2

    The square root of 461 is 21.4709106 but you would round to 21.5
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