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5. The inside perimeter of a running track (shown in Fig. 20.24) is 400m. The length efIf track iseach of the straight portion is 90 m and the ends are semi-cireles.everywhere 14 m wide, find the area of the track. Also, find the length of the outerrunning track.D-10 cm8 cm90 m: 10 cm6 cm14 mFig. 20.25Fig. 20.24 |
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