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28 April, 13:15

Given a right triangle with legs a, b and hypotenuse c, solve for a if b = 20 and c = 29

a 35.2

b 3

c 21

d 9

+4
Answers (2)
  1. 28 April, 13:45
    0
    C) 21

    Step-by-step explanation:

    a² + 20² = 29² Use Pythagorean Theorem to solve for a

    a² + 400 = 841 Solve for the exponents

    - 400 - 400 Subtract 400 from both sides

    a² = 441 Take the square root of both sides

    a = 21
  2. 28 April, 15:58
    0
    the answer is C. 21
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