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algebra,math

Use the Pythagorean Theorem to find the missing side of the triangle. Round to the nearest tenth, if necessary.

a = ?, b = 5, c = 8
A. 6.0
B. 6.1
C. 6.2
D. 6.3

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tracy

  1. a^2 + b^2 = c^2

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    Maria

  2. a^2 + b^2 = c^2

    a^2 + 5^2 = 8^2

    a^2 + 25 = 64

    a^2 = 64 - 25

    a^2 = 39

    a = 6.2449 = 6.2

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    Ms. Sue

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