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What is the equation of a circle centered at the origin with radius 20.. I cant find the answer and I even tried

What is the equation of a circle centered at the origin with radius 20.. I cant find-example-1
User JayM
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2 Answers

1 vote

Answer: It's A

x^2 + y^2 = 400

Explanation:

User Mando Escamilla
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4 votes
I think the answer is either A. or D. Don't quote me on it but I think that's what it is.
User Smolo
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