The oval track below is formed by a straight section on each side and a semicircle at each end. What is the approximate distance around the track?
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Answer:
1040 feet
Step-by-step explanation:
The oval track is formed by two straight sides and two lengths of the circumference of a semicircle. The two semicircles forms a circle, so that:
The length of the circumference of a circle = 2πr
The approximate distance around the track = 300 + 300 + 2πr
= 600 + 2×(22/7) × 70
= 1040
The approximate distance around the track is 1040 feet.