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Posted by on Thursday, October 31, 2013 at 12:24pm.

Find the length of the hypotenuse of a right triangle with legs of 9 cm and 12 cm.

a) 8 cm
b) 21 cm
c) 15 cm
d) 225 cm

  • math - , Thursday, October 31, 2013 at 12:29pm

    Use the pythagorean theorem:
    c^2 = a^2 + b^2
    where
    c = hypotenuse
    a = one leg
    b = the other leg
    In the problem,
    a = 9
    b = 12
    Now solve for c using the equation above.

  • math - , Monday, November 9, 2015 at 4:50pm

    i need help but on one helps me with my math ugh

  • math - , Monday, November 9, 2015 at 4:50pm

    its C

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