A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is 80 m long and 63 m wide. What is the length of a training track running around the field? (Use the value 3.14 for pie, and do not round your answer. Be sure to include the correct unit in your answer.)

Question

Sasha

Mathematics

20 January, 23:27

A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is 80 m long and 63 m wide. What is the length of a training track running around the field? (Use the value 3.14 for pie, and do not round your answer. Be sure to include the correct unit in your answer.)

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Jair Mcgee · Answer 1

The semi-circles form an entire circle with diameter 74. The radius is 37

The area of the rectangle is 95 x 74 = 7030

The area of the circle is 3.142 x 37*37 = 4298.66

The total area is 11328.66