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For a right triangle with legs measuring seventeen 17 and 9, a student submitted the following explanation of how to find the exact length of the hypotenuse. Explain the student's error.

Question

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For a right triangle with legs measuring seventeen 17 and 9, a student submitted the following explanation of how to find the exact length of the hypotenuse. Explain the student's error.

broskishelleh · Answer

only 18 on the picture

broskishelleh · Answer

I fanned you ganibl

shamil98 · Answer

he substituted the one of the legs as c, which is supposed to be the hypotenuse|dw:1386725150932:dw|.

shamil98 · Answer

$$\huge a^2 + b^2 = c^2$$
He should have put:
$$\huge 17^2 + 9 ^2 = c^2$$

shamil98 · Answer

Basically, he incorrectly placed the value of 17^2 as c^2, c = hypotenuse
17 and 9 are the legs (which are a and b)

broskishelleh · Answer

Thanks:)