Question

A porch has the shape of a quarter circle with a diameter of 5 ft.



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

Answer 1

@jabez177

Answer 2

Remember the formula of a quarter circle?

Answer 3

i'm guessing 3.14 x 5 ?

Answer 4

umm no, sorry.

Answer 5

I remember I skipped this lesson... xD

Answer 6

Let me google it.

Answer 7

kay.

Answer 8

Here! I had to look through my previous lessons. http://prntscr.com/7f3u1u

Answer 9

3.14 x 2.5 x 2.5 = 19.625? maybeh?

Answer 10

is that the answer? ^

Answer 11

Find the circumference then divide it by 1/2 then 1/2 again to find it.

Answer 12

so 3.14 x 5 =15.7 div 2 = 7.85 div 2 = 3.925?

Answer 13

Oh area sorry give me a sec

Answer 14

5

Answer 15

area=πr^2, and if your trying to find a quarter of that then you can divide by 1/2 twice.

SO ya it looks like you got it right.

Answer 16

:d yay C:

Answer 17

Multiply by 1/2 not divide

Answer 18

Sorry for that mistake. Good Job

Answer 19

√ ty