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Bumek [7]
2 years ago
7

DETERMINE THE MISSING SIDE

Mathematics
1 answer:
MissTica2 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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