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What is the length of the unknown side of the right triangle? A. 21 B. 29 C. 400 D. 441
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3 votes
What is the length of the unknown side of the right triangle?

A. 21
B. 29
C. 400
D. 441

What is the length of the unknown side of the right triangle? A. 21 B. 29 C. 400 D-example-1
User Centinul
by
8.9k points

2 Answers

7 votes

Answer:

29

Explanation:

a^2 + b^2 = c^2

21^2 + 20^2 =c^2

441+400 =
√(841) = 29

User Bruno Laurinec
by
8.4k points
2 votes
The answer is B. 29. You use Pythagorean theorem to figure this out.
20^2 + 21^2 = 29^2
User Dpetican
by
8.0k points
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