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

asked Aug 1, 2019 65.7k views

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

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6 votes

If d=20 thn r=10
the equation of a circle is x²+y²=100
Answer A

Akbarbin answered Aug 5, 2019

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