lego5863 lego5863
  • 09-01-2018
  • Mathematics
contestada

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 441 class=

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StellarStephanie
StellarStephanie StellarStephanie
  • 09-01-2018
The answer is B. 29. You use Pythagorean theorem to figure this out.
20^2 + 21^2 = 29^2
Answer Link
befrance24 befrance24
  • 18-12-2020

Answer:

29

Step-by-step explanation:

a^2 + b^2 = c^2

21^2 + 20^2 =c^2

441+400 = [tex]\sqrt{841} = 29[/tex]

Answer Link

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