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21 October, 01:02

Find side A of a triangle with a B length of 7 and a C length of 25

A) 24

B) 19

C) 8

D) 30

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Answers (2)
  1. 21 October, 02:13
    0
    A

    Step-by-step explanation:

    C - B < A < C + B

    25 - 7 < A < 25 + 7

    18 < A < 32

    A can have any length between 10 and 32.

    In case it's a right angle triangle,

    A² = 25² - 7²

    A² = 576

    A = 24
  2. 21 October, 03:30
    0
    A 24

    Step-by-step explanation:

    Assuming this is a right triangle, we can use the Pythagorean theorem

    a^2 + b^2 = c^2

    a^2 + 7^2 = 25^2

    a^2 + 49 = 625

    Subtract 49 from each side

    a^2 + 49-49 = 625-29

    a^2 = 576

    Take the square root of each side

    sqrt (a^2) = sqrt (576)

    a = 24
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