32TARYNJENKINS 32TARYNJENKINS

06-05-2021
Mathematics

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What is the approximate area of a semicircle with radius of 21 ft? Use 3.14

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altavistard altavistard

06-05-2021

Answer:

692 ft^2

Step-by-step explanation:

Area of a circle = (pi)(radius)^2

Here,

Area of the circle = (3.14)(21 ft)^2 = 1385 ft^2

Area of half this circle = area of the semicircle = 1385 ft^2 / 2, or

Area of semicircle = 692 ft^2

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