SOLUTION: a rancher decides to build a silo. the rect. measures 22m by 11m and the silos base is circular with a diameter of x metters. Find a polynomial for the remaining area of the corra

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Question 265849: a rancher decides to build a silo. the rect. measures 22m by 11m and the silos base is circular with a diameter of x metters. Find a polynomial for the remaining area of the corral after silo is built.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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a rancher decides to build a silo. the rectangle measures 22m by 11m and the silos base is circular with a diameter of x meters. Find a polynomial for the remaining area of the corral after silo is built.
:
radius = .5x (half the diameter)
:
Remaining area = Rectangle area - silo base area
RA = (22 * 11) - pi%2A%28.5x%29%5E2
:
RA = 242+-+%28pi%2A.25x%5E2%29
or
RA = 242 - .783958x^2