The inside perimeter of a running track is 400m. The length of each of the straight portion is 90m and the ends are semi circle. If the track is 14m wide everywhere,find the area of the track. Also find the length of the outer running track
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ans: 6272m^2
first find the area of semi circle multiply by 4
then find area of rectangle ×4
add them
first find the area of semi circle multiply by 4
then find area of rectangle ×4
add them
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