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Pre-Algebra 13 Online
OpenStudy (anonymous):

The diameter of a circle is 8 inches. What is its area? (Use pi = 3.14)

OpenStudy (anonymous):

this this formula \[A= \pi r^2\]

OpenStudy (anonymous):

r is the radius

OpenStudy (anonymous):

if you divide the diameter by 2 you will get your radius

OpenStudy (anonymous):

50.24?

OpenStudy (anonymous):

yep :)

OpenStudy (anonymous):

wow

OpenStudy (anonymous):

What is the area of a circle that has a diameter of 2 feet? (Use pi = 3.14)

OpenStudy (anonymous):

3.14?

OpenStudy (anonymous):

yep :)

OpenStudy (anonymous):

i became really smart in lst 5 mnutues

OpenStudy (anonymous):

lol :)

OpenStudy (anonymous):

How much concrete is required to fill a hole for a basketball pole that has a radius of 2 feet and is 4 feet deep?

OpenStudy (anonymous):

50.24 cubic feet

OpenStudy (anonymous):

yep :)

OpenStudy (anonymous):

my head is huge

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

Convert 175 cubic feet to cubic yards.

OpenStudy (anonymous):

6.48

OpenStudy (anonymous):

yep :)

OpenStudy (anonymous):

i think I have it

OpenStudy (anonymous):

thank you - have a nice night

OpenStudy (anonymous):

you too :)

OpenStudy (anonymous):

50.24 in

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