Question

A porch has the shape of a semicircle with a diameter of 7 ft.

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

____ft2

Answer 1

@joojoe

Answer 2

Okay! A semi-circle is half a circle right?

Answer 3

Yes, @Zelda

Answer 4

Okay. So what is the radius if the diameter is 7 feet?

Answer 5

3.5?

Answer 6

Right on. So do you know the formula for the area of a circle?

Answer 7

find the area then divide it by 2

Answer 8

@joojoe what are you talking about wrong answer

Answer 9

it's pi r square @Zelda

Answer 10

i told her to subtract the circle area to get the shades area that is correct for the last problem

Answer 11

@DottieCat Right. So can you get the area of the circle for me, if r = 3.5?