3. Amy and Brian want to fence in a circular portion of their backyard for a play space for their
children. Determine the area of the circular portion of the yar that they can enclose with 26
feet of fencing. Leave your answer in terms of .
T
4. Jackson high school is building a new running track. The track is constructed from a rectangle
and two semicircles.
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100 ft
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The inside of the track will all be grass. Determine the area of grass needed to fill in the track.
Use 3.14 for л. Round to the nearest whole number.
700 ft