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12 October, 20:54

The owner of a minigolf course is replacing the artificial grass on a portion of the course. The area to be replaced is shown in the diagram.

A square, rectangle, and semicircle are connected to form a composite figure. The square has side lengths of 6 feet. The rectangle has side lengths of 18 feet and 8 feet. The semicircle has a diameter of 8 feet.

What square footage of artificial grass is needed to cover this portion of the course?

8π + 180

16π + 180

8π + 228

16π + 228

+2
Answers (2)
  1. 12 October, 21:51
    0
    Correct option: First one: Area = 8pi + 180

    Step-by-step explanation:

    To find the amount of artificial grass to cover the area, we need to find the total area of the three parts of the composite figure:

    Square: area = 6*6 = 36 ft2

    Rectangle: area = 18*8 = 144 ft2

    Semicircle: area = pi*d^2/8 = 64pi/8 = 8pi

    So the total area is 36 + 144 + 8pi = 8pi + 180

    Correct option: the first one
  2. 12 October, 22:51
    0
    Answer is A
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