2 years ago

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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