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The diagram shows a track composed with a semicircle on each end. The area of the rectangle is 14,400 square meters. What is the perimeter of the th rack? Use 3.14 for pi

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asked Feb 7, 2024 149k views

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The diagram shows a track composed with a semicircle on each end. The area of the rectangle is 14,400 square meters. What is the perimeter of the th rack? Use 3.14 for pi

Mathematics
high-school

ZGski asked

by ZGski

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Answer:

602 .6

Explanation:

∴14,400=160b

⇒b=90m

902m=45m

2πr=2π×45≈282.6m

320m+282.6m=602.6m

Kindisch answered Feb 14, 2024

The diagram shows a track composed with a semicircle on each end. The area of the rectangle is 14,400 square meters. What is the perimeter of the th rack? Use 3.14 for pi

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