Mathematics
13 Online
OpenStudy (anonymous):
A circular picture is 8 inches in diameter.
Part A
What is the area of the picture in square inches?
A. 4π square inches
B. 8π square inches
C. 16π square inches
D. 32π square inches
Part B
A frame that is 2 inches wide surrounds the picture. What is the total area of the picture and the frame in square inches?
A. 4π square inches
B. 12π square inches
C. 36π square inches
D. 40π square inches
11 years ago
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OpenStudy (anonymous):
its pi
11 years ago
OpenStudy (anonymous):
@brucebaner @AndrewTheCookie @Here_to_Help15 @iambatman
11 years ago
OpenStudy (anonymous):
@Omgthatgirl @One098 @Oenjjoyo @Obbie
11 years ago
OpenStudy (anonymous):
Omg are you stilll there?
11 years ago
OpenStudy (anonymous):
Me?
11 years ago
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OpenStudy (anonymous):
Yes I am. I've waited up to hours LOL :)
11 years ago
OpenStudy (anonymous):
Can you help me?
11 years ago
OpenStudy (anonymous):
No :c but I know some who can @Daniellelovee shes good...
I still need help in math too, what grade is this?
11 years ago
OpenStudy (anonymous):
7th grade
11 years ago
OpenStudy (anonymous):
Oh ok thanks :) @Daniellelovee
11 years ago
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OpenStudy (anonymous):
OH, me too maybe I haven't got to that yet e.e
11 years ago
OpenStudy (anonymous):
Np..
11 years ago
OpenStudy (anonymous):
Hee hee hee LOL k thx ;)
11 years ago
OpenStudy (anonymous):
Ur welcome! bye c:
11 years ago
OpenStudy (anonymous):
Bye XD
11 years ago
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OpenStudy (daniellelovee):
don't they give you the picture?
11 years ago
OpenStudy (anonymous):
No they don't :(
11 years ago
OpenStudy (anonymous):
What do you think?
11 years ago
OpenStudy (daniellelovee):
hold on i'll be back my computer is freezing brb
11 years ago
OpenStudy (anonymous):
Oh ok:)
11 years ago
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OpenStudy (anonymous):
You tag meh? c:
11 years ago
OpenStudy (daniellelovee):
alright everything is good now
so the radius is the diameter x2 therefore once you find the radius you plug it into the formula
A=pi(r^2)
11 years ago
OpenStudy (anonymous):
Nope ;0
11 years ago
OpenStudy (anonymous):
Oh ok How do you do that?
11 years ago
OpenStudy (daniellelovee):
yes lol 4^2=16 and that is multiplies by pi
11 years ago
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OpenStudy (anonymous):
Ohhhh, okay bye again... ~disappears into the darkness~
11 years ago
OpenStudy (anonymous):
Haha So then you have to multiply pi and 16?
11 years ago
OpenStudy (daniellelovee):
yup
11 years ago
OpenStudy (daniellelovee):
for part A
11 years ago
OpenStudy (anonymous):
Oh so then the answer is 50.24 for the Part A
11 years ago
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OpenStudy (daniellelovee):
no check your options
11 years ago
OpenStudy (anonymous):
C :)
11 years ago
OpenStudy (anonymous):
Right?
11 years ago
OpenStudy (daniellelovee):
yup
11 years ago
OpenStudy (anonymous):
K so then for part B?
11 years ago
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OpenStudy (daniellelovee):
hold on I'm thinking
11 years ago
OpenStudy (anonymous):
Scale: 2in.
11 years ago
OpenStudy (anonymous):
K
11 years ago
OpenStudy (anonymous):
It's either C or D cause it has to be bigger so now we have a 50/50 chance...
11 years ago
OpenStudy (daniellelovee):
ok I got this
11 years ago
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OpenStudy (daniellelovee):
|dw:1422308725627:dw|
11 years ago