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
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Kash_TheSmartGuy
  • Kash_TheSmartGuy
Area of a circle:\[A=\pi*r ^{2}\]
Kash_TheSmartGuy
  • Kash_TheSmartGuy
First step is to find the radius of the circle. We know that radius is half the diameter. So, what is the radius?
anonymous
  • anonymous
4

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anonymous
  • anonymous
so a? for number 1
anonymous
  • anonymous
oh thanks cx okay could u help me with part b
Kash_TheSmartGuy
  • Kash_TheSmartGuy
Wait for part A we forgot to square it.
Kash_TheSmartGuy
  • Kash_TheSmartGuy
SO what is 4^2?
Kash_TheSmartGuy
  • Kash_TheSmartGuy
16.. so for part A, C is the answer
anonymous
  • anonymous
okay but i need part b xc
anonymous
  • anonymous
part b is answer c? 12 ill give anyone a medal please help
anonymous
  • anonymous
part b is exactly the same as part A, except now you've added 2 to the radius. The radius is 6. Use the formula to find the area
anonymous
  • anonymous
so 18^2 ?????
anonymous
  • anonymous
|dw:1435425165814:dw| What number should go in for r in part b if the radius is 6?
anonymous
  • anonymous
12! cx???????????????????
anonymous
  • anonymous
or no the answr is not 12
anonymous
  • anonymous
how are you getting 12? You're not showing what you're doing
anonymous
  • anonymous
i thought u double 6..sorry
anonymous
  • anonymous
not double 6, but 6 squared. 6² means 6 * 6
anonymous
  • anonymous
36
anonymous
  • anonymous
yes
anonymous
  • anonymous
so thats my asnwer
anonymous
  • anonymous
36π is the area
anonymous
  • anonymous
THANK YOU SO MUCH c:

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