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Today, 02:54

Which set of numbers can represent the side length, of an actue triangle

A) 4, 5, 7

B) 5, 7, 8

C) 6, 7, 10

D) 7, 9, 12

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Answers (1)
  1. Today, 03:38
    0
    Option B.

    Step-by-step explanation:

    In an acute angled triangle c^2 < a^2 + b^2 where c is the longest side.

    Look at Choice B:-

    8^2 = 64

    5^2 = 25

    7^2 = 49

    5^2 + 7^2 = 74

    So it's B.
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