Ryder drew a scale drawing of the rectangular pool in his backyard using a scale of 1 in = 4 ft. He wants to add a border around the perimeter of the pool using 12-in square tiles. If the length of the drawing of the pool is 8 in, and the width of the drawing is 2 in, how many tiles does Ryder need for the border? A.
64
B.
80
C.
40
D.
20

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step-by-step explanation:

d 25 pi/6

step-by-step explanation:

the diameter is 10 inches

the radius is 1/2 of the diameter or 5 inches

the area of the circle is

a = pi r^2

  = pi 5^2

  = 25 pi

the slice is 60 degrees of the entire circle.

60 degrees out of 360   60/360 = 1/6

the area of the slice is 1/6 of the circle

a slice = 1/6 a circle

a slice = 1/6 * 25 pi

2425

step-by-step explanation: