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Jane

Finding the area of a circle using algebraic points

On a coordinate plane, a circle passes through the points (x, y) and (-x, y). Which of the following represents the area of the circle?
 
A. 4πx
B. πx2
     4
C. πx2
D. 4x2
Posted in Geometry, asked by Jane, 2 years ago. 901 hits.
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