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10 December, 13:05

A rectangular frame has a diagonal with a length of 20 inches and a longer side with a length of 15 inches

Which of the following is closest to the length of its shorter side?

(1) 9.7 inches

(3) 13.2 inches

(2) 11.9 inches

(4) 14.8 inches

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Answers (1)
  1. 10 December, 13:34
    0
    (3) 13.2

    Step-by-step explanation:

    c²=a²+b²

    20²=15²+b²

    20²-15²=b²

    400-225=b²

    175=b²

    b=√175

    b=13.2inches
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