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OpenStudy (anonymous):
What is the approximate area of the figure? A. 86.9 square centimeters B. 137.1 square centimeters C. 162.2 square centimeters D. 212.5 square centimeters
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OpenStudy (anonymous):
|dw:1397839271329:dw|
OpenStudy (anonymous):
help @akshay1234
OpenStudy (henryblah):
Is that a semicircle on top of a rectangle?
OpenStudy (anonymous):
yes
OpenStudy (henryblah):
Ok. So you have to work out the area of the rectangle and the semicircle separately and add them together. The formula for working out area of a rectangle is length x width. The formula for working out area of a circle is pi x r^2 where r is the radius. So area of a semicircle is half this.
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OpenStudy (anonymous):
english please
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