9

Part of 1996 National High School Mathematics League

Problems(1)

Polar Coordinate Equation

Source: 1996 National High School Mathematics League, Exam One, Problem 9

Polar coordinate equation of curve

C

\rho=1+\cos\theta

. Polar coordinate of point

A

(2,0)

C

A

for a whole circle, the area of the figure that

C

swept out by is________.

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