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Need answered immediately. Right now
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Need answered immediately. Right now

Need answered immediately. Right now-example-1
User Panadol Chong
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1 Answer

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Apply the Pythagorean theorem:

{a}^(2) + {b}^(2) = c ^(2)

{c}^(2) = {20}^(2) +{21}^(2) \\ {c }^(2) = 400 + 441 \\ {c}^(2) = 841 \\ \sqrt{ {c}^(2) } = √(841) \\ c = 29

User Andrew Hanlon
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