SOLUTION: The hypotenuse of a right triangle is 23 cm long and the length of one side is 13 cm. Calculate the length of the third side.

Algebra ->  Triangles -> SOLUTION: The hypotenuse of a right triangle is 23 cm long and the length of one side is 13 cm. Calculate the length of the third side.      Log On


   

Question 937652: The hypotenuse of a right triangle is 23 cm long and the length of one side is 13 cm. Calculate the length of the third side.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
h = sqrt( aa + bb )
23 = sqrt( aa + 13*13 )
23*23 = sqrt( aa + 13*13 )^2
23*23 = aa + 13*13
aa = 23*23 - 13*13
a = sqrt( 23*23 - 13*13 )
a = 18.973665961 cm
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