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Mathematics 21 Online
OpenStudy (anonymous):

A circle has a diameter of 4 meters. What is its perimeter (to the nearest hundredth)?__ m What is its area (to the nearest hundredth)?___m2

OpenStudy (anonymous):

so radios is 2 right??

OpenStudy (anonymous):

yep so you use same formulas as before and round to tenths

OpenStudy (anonymous):

12.6 perimeter

OpenStudy (anonymous):

That's correct

OpenStudy (anonymous):

and are is thesame

OpenStudy (anonymous):

area

OpenStudy (anonymous):

Yep in m^2

OpenStudy (anonymous):

Wait wait wait

OpenStudy (anonymous):

2x2=4

OpenStudy (anonymous):

This one said round to hundredths. I'm sorry I assumed it was round to tenths like the last one.

OpenStudy (anonymous):

So you wanna keep round to 2 decimal places instead of one

OpenStudy (anonymous):

12.57

OpenStudy (anonymous):

That's right.

OpenStudy (anonymous):

They are both the same

OpenStudy (anonymous):

Yep so perimeter is 12.57m and area is 12.57m^2

OpenStudy (anonymous):

158.00

OpenStudy (anonymous):

What's that for?

OpenStudy (anonymous):

for area ?? i did12.57 twice???

OpenStudy (anonymous):

or i don't have to do that

OpenStudy (anonymous):

Oh no that's just the unit of measurement you put at the end.

OpenStudy (anonymous):

oh ok

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

i got another question.

OpenStudy (anonymous):

Alright post it and ill check it out

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