Question

A patio in the shape of a semicircle has a diameter of 21 ft.

What is the approximate area of the patio, rounded to the nearest square foot?
Use 3.14 to approximate pi

? ft2

Answer 1

\(\sf A = \pi r^2\)

We're given the diameter, so divide it by 2 to find the radius.

Answer 2

3.14*10.5*10.5

Answer 3

That is correct.

Answer 4

Now multiply it.

Answer 5

346.185

Answer 6

Correct

Answer 7

So just 346

Answer 8

@iGreen

Answer 9

Yes