20-04-2020
Mathematics

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PLEASE help!! Only one question

PLEASE help Only one question class=

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anonstudent101 anonstudent101

20-04-2020

Answer:

29

Step-by-step explanation:

Pythagorean theorem is a^2+b^2=c^2. Then fill in the terms to a calculator 20^2+21^2=841. the square root of 841 is 29

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