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Length of the 2 semicircle = 400 - 90 - 90 = 220m
Radius = Circumference ÷ 2π
Radius = 220 ÷ 2π = 25 cm
Area of the track = whole figure - inner figure
Area of the track = π(25 + 14)² - π(25)² = 2816 cm²
Answer: 2816 cm²
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