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Step-by-step explanation:
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400.4 m
4320 m²
Step-by-step explanation:
Inner Dimension 60 * 106 m rectangle
& 60 m diameter two Semicircle
outer Dimension 60 + 10 + 10 = 80 m
80 * 106 m rectangle
80 m Diameter two semicircles
the distance around the track along its inner edge
= 106 *2 + 2 * π * (60/2)
= 212 + 188.4
= 400.4 m
Area of Track = (106 * 80) - (106 * 60) + π (80/2)² - π(60/2)²
= 2120 + 700π
= 2120 + 2200
= 4320 m²
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