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OpenStudy (anonymous):
The seventh-grade class is building target areas for a PE activity. The bases for the game will be circular in shape. The diameter of each circle is 5 feet. Approximately how many square feet of the turf need to be painted for a base circle? Use 3.14 for π and round your answer to the nearest tenth. 15.7 square feet 19.6 square feet 42.8 square feet 78.6 square feet
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OpenStudy (help!!!!):
So what is the formula for surface area for a circle?
OpenStudy (help!!!!):
@iceicebaby
OpenStudy (anonymous):
@texaschic101
OpenStudy (help!!!!):
its A=PI*R*R
OpenStudy (help!!!!):
so multiply Pi *the radius*radius
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