anonymous
  • 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
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@Nnesha
anonymous
  • anonymous
@Abhisar
anonymous
  • anonymous
@Nnesha

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More answers

Abhisar
  • Abhisar
For Part A Area of a square = \(\sf \pi \times r^2\) Where, r = radius = diameter/2
Abhisar
  • Abhisar
Can u do it now?
anonymous
  • anonymous
umm i still dont get it :(
Abhisar
  • Abhisar
Which part?
anonymous
  • anonymous
for part A, a?
anonymous
  • anonymous
??
Abhisar
  • Abhisar
\(\huge \checkmark\)
anonymous
  • anonymous
are you sure?
Abhisar
  • Abhisar
Yes, are you?
anonymous
  • anonymous
yes
anonymous
  • anonymous
now lets do part b
Abhisar
  • Abhisar
No wait, no it's wrong.
Abhisar
  • Abhisar
:(
Abhisar
  • Abhisar
One silly mistake.
anonymous
  • anonymous
what is it
Abhisar
  • Abhisar
Diameter is given 8, so radius will be 8/2 = 4. Correct?
anonymous
  • anonymous
yes
Abhisar
  • Abhisar
Now, putting this value of radius in the formula I just told you we get area = \(\sf \pi \times 4^2\) = ?
anonymous
  • anonymous
whats the symbol in the beginning mean?
Abhisar
  • Abhisar
It's called as "pi" and its value = 3.14. So if it is written \(\sf 16 \pi\), it actually means 16 \(\sf \times ~\pi\) or if you want to simplify it more it means 3.14 \(\sf \times\) 16
anonymous
  • anonymous
ok
Abhisar
  • Abhisar
Moving on to the question, the correct answer for part A is?
anonymous
  • anonymous
i got 16
Abhisar
  • Abhisar
Yes, \(\sf 16 \pi\) square inch to be more precise. Don't forget the "pi" !
anonymous
  • anonymous
ok thank you so much... dont leave because i will be tagging you again!! :)
Abhisar
  • Abhisar
I m not leaving, so shall we move to part B?
anonymous
  • anonymous
yes
Abhisar
  • Abhisar
Any idea?
anonymous
  • anonymous
uhh no
anonymous
  • anonymous
@Abhisar
Abhisar
  • Abhisar
So, any idea about Part B?
anonymous
  • anonymous
whats the equation, ill solve it
Abhisar
  • Abhisar
|dw:1433965184199:dw|
Abhisar
  • Abhisar
This is ur square frame which is 2 inch wide. Area of a square = \(\sf side^2\)
anonymous
  • anonymous
0k @Abhisar
Abhisar
  • Abhisar
So the answer should be?
anonymous
  • anonymous
b
anonymous
  • anonymous
8
Abhisar
  • Abhisar
oops..
Abhisar
  • Abhisar
we did the part B wrong..
Abhisar
  • Abhisar
|dw:1433965519276:dw|
anonymous
  • anonymous
whats the equation
Abhisar
  • Abhisar
The frame is also circular and surrounds the circular picture. It says that the frame is 2 inches wide. Thus the radius of frame would be 4+2= 6 inch.
Abhisar
  • Abhisar
Now, find the area by same equation u used before.
anonymous
  • anonymous
i got 36
Abhisar
  • Abhisar
Are you missing something? Only 36?
anonymous
  • anonymous
and 36 pie
Abhisar
  • Abhisar
Correct 36\(\sf \pi\) square inch. Don't miss the pi if u want a apple pie (-:
Abhisar
  • Abhisar
It's Pi not pie. Pie is the one u eat.
anonymous
  • anonymous
lol thanks :)

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