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mylen [45]
3 years ago
15

A circular rug has a diameter of 10 feet. A liquid stain protectant cost $1.75/sq ft. How much will it cost to put the stain pro

tectant on the entire rug?
Mathematics
1 answer:
Veronika [31]3 years ago
6 0

Answer:

$137.45

Step-by-step explanation:

First, we need to find the area of the circular rug in square feet.

Then we will multiply that with 1.75 to get total cost.

First,

Area of Circle = \pi r^2

Where r is the radius (which is half of diameter)

Given, diameter = 10 feet

Radius = 10/2 = 5 feet

Now, the area (A) :

A=\pi r ^2\\A = \pi (5)^2\\A = 25\pi\\A= 78.54

So, total cost would be:

78.54 * 1.75/sq ft = $137.45

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