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

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

dottiecat · Answer

@joojoe

anonymous · Answer

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

dottiecat · Answer

Yes, @Zelda

anonymous · Answer

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

dottiecat · Answer

3.5?

anonymous · Answer

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

anonymous · Answer

find the area then divide it by 2

rebeccaxhawaii · Answer

@joojoe what are you talking about wrong answer

dottiecat · Answer

it's pi r square @Zelda

rebeccaxhawaii · Answer

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

anonymous · Answer

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

rebeccaxhawaii · Answer

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