Asked by Anonymous
A circle of radius seven cm,with a angle of seventy two degree at the center.calculate the minor sector, the major sector.
Answers
Answered by
oobleck
recall that with an angle of θ, the area is
a = 1/2 r^2 θ
so plug in your numbers (with the angle in radians, of course)
the major sector is of course, the rest of the circle: πr^2 - a
a = 1/2 r^2 θ
so plug in your numbers (with the angle in radians, of course)
the major sector is of course, the rest of the circle: πr^2 - a
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