Question

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What is the area of a circle with a radius of 10 feet? (Use 3.14 for ρ.)

62.8 ft 2
78.5 ft 2
314 ft 2
31.4 ft 2

Answer 1

Answer:

Step-by-step explanation:

The area formula for a circle is: A = pi(r)2

First, you are going to plug in the known measurements... A = 3.14(10)2

Next, you will go step-by=step to solve this.

A = 3.14 * 10 * 2 =

A = 31.4 ft. 2 =

A = 31.4 ft. squared

As you can see, the are of the circle is 31.4 ft 2 and that is also what D. is.

Hope this helps! :)

May I get marked Brainliest? Is that okay?

Answer 2

D. 31.4 feet ^2 ... area of circle ... area=31.4