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Bumek [7]
3 years ago
7

DETERMINE THE MISSING SIDE

Mathematics
1 answer:
MissTica3 years ago
8 0

Answer:

21 in

Step-by-step explanation:

by the Pythagorean theorem we have

841=400+x^2\\\\x^2=441\\\\x=21

notice that the 841 and the 400 don't go squared because they already squared!

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Anytime you have text problem you need to write equation just read text bit by bit and write equation as you are reading text!

It starts with "the sum" which means we are using + to sum some numbers.
Next is "three". which means we are summing some 3 numbers.
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