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Areas Related To Circles

Question 8:

Thegivenfigure depicts a racing track whose left and right ends are semicircular.

The distance between the two inner parallel line segments is 60 m and they are each 106 m long. If the track is 10 m wide, find:

(i) The distance around the track along its inner edge

(ii) The area of the track

Answer:

Distance around the track along its inner edge = AB + arc BEC + CD + arc DFA

Area of …

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