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allthewaycountrygirl

  • 2 years ago

Find the length of the hypotenuse of a right triangle with legs of 20 cm and 21 cm. 41 cm 841 cm 6 cm 29 cm

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  1. jasonxx
    • 2 years ago
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    \[H= \sqrt{(20)^2+(21)^2}\]

  2. gaara438125
    • 2 years ago
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    |dw:1352146014111:dw|

  3. jasonxx
    • 2 years ago
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    |dw:1352138840805:dw|\[c^2=a^2+b^2\]

  4. allthewaycountrygirl
    • 2 years ago
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    so i have to find out what H is?

  5. jasonxx
    • 2 years ago
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    yes

  6. gaara438125
    • 2 years ago
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    \[H= \sqrt{(20^2)+(21^2)}\]

  7. gaara438125
    • 2 years ago
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    20 * 20 = 400 21 * 21 = 441 add those 400 + 441 then take the sqrt and that's the missing angle

  8. allthewaycountrygirl
    • 2 years ago
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    841cm

  9. gaara438125
    • 2 years ago
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    \[\sqrt{841cm}\] sqrt it and the answer is?

  10. allthewaycountrygirl
    • 2 years ago
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    so then 29cm

  11. gaara438125
    • 2 years ago
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    yes ma'am

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