What is the answer ‍♀️

Mathematics

2 answers:

N76 [4]2 years ago

5 0

Answer:

c. 15in

Step-by-step explanation:

inysia [295]2 years ago

3 0

Answer:

C. 15 inches

Step-by-step explanation:

The perimeter of a traingle is all of the sides added together. If three sides equal 36, and 2 equal 21, then the remaining side would be 15. Hope this helps!

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$\bf \textit{Pythagorean Identities}
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sin^2(\theta)+cos^2(\theta)=1\implies cos^2(\theta)=1-sin^2(\theta)
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