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Write the equation of a circle with center at (0, 0) and a diameter of 20. A. x2 + y2 = 100 B. x2 + y2 = 20 C. x2 + y2 = 10 D. x2 - y2 = 400

Write the equation of a circle with center at (0, 0) and a diameter of 20. A. x2 + y2 = 100 B. x2 + y2 = 20 C. x2 + y2 = 10 D. x2 - y2 = 400
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1 vote
Write the equation of a circle with center at (0, 0) and a diameter of 20.

A.
x2 + y2 = 100

B.
x2 + y2 = 20

C.
x2 + y2 = 10

D.
x2 - y2 = 400

User Wes Cumberland
by
8.7k points

1 Answer

6 votes
If d=20 thn r=10
the equation of a circle is x²+y²=100
Answer A
User Akbarbin
by
7.6k points
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