SOLUTION: The legs of a right triangle measure 20 cm and 21 cm. What is the length of the hypotenuse?

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Question 489128: The legs of a right triangle measure 20 cm and 21 cm. What is the length of the
hypotenuse?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
400+441=841
hypotenuse=sqrt 841=29 cm..
20²+21²=hyp.²
400+441=841
hyp.=√841=29 or -29
Throwing out the negative answer, we get the length of the hypotenuse to be 29 cm. ☺☺☺☺