anonymous
  • anonymous
What is the perimeter of the figure to the nearest hundredth of a centimeter? A. 24.56 cm B. 18.28 cm C. 16 cm D. 14.28 cm
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
http://static.k12.com/calms_media/media/1419000_1419500/1419360/1/b69e6f0436c6372513cf1e14b305f60a42b76b33/MS_PA_130922_171132.jpg
anonymous
  • anonymous
What is your understanding of this question?
anonymous
  • anonymous
im not sure but i think the answer is c

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anonymous
  • anonymous
Okay.. let's see if you were correct as we go along. Now, this shape has two figures: 1. A semi circle 2. A square
anonymous
  • anonymous
yeah okay
anonymous
  • anonymous
You need to find the perimeter of each individual shape then add them together.
anonymous
  • anonymous
What is the perimeter of the square?
anonymous
  • anonymous
okay
anonymous
  • anonymous
16?
anonymous
  • anonymous
Correct! Now, we can immediately eliminate C and D because the perimeter of the total figure will be GREATER than 16 since we haven't figured out the perimeter of the circle yet.
anonymous
  • anonymous
ohh okay
anonymous
  • anonymous
Now, remember last thread when I helped you figure out the perimeter of the semicircle? Try figuring it out :)
anonymous
  • anonymous
okay
anonymous
  • anonymous
Remember: Circumference = 2πr or πd
anonymous
  • anonymous
oka
anonymous
  • anonymous
@Aureyliant Since it is a semi circle she could just use the equation πr. Am I correct?
anonymous
  • anonymous
Yup! I was just about t mention that :) @taylorz115820
anonymous
  • anonymous
b?
anonymous
  • anonymous
Lol
anonymous
  • anonymous
Tell me your explanation. What was the circumference you got for this SEMI CIRCLE?
anonymous
  • anonymous
I need help!?!?!
anonymous
  • anonymous
?
anonymous
  • anonymous
Why are you multiplying it by 4? You need to add the circumference of this semi circle to the perimeter of the square (16 cm)
anonymous
  • anonymous
idk
anonymous
  • anonymous
/
anonymous
  • anonymous
Please don't spam @tray15
anonymous
  • anonymous
|dw:1434472229049:dw|
anonymous
  • anonymous
There you go basically all you need right there
anonymous
  • anonymous
Good job @Aureyliant
anonymous
  • anonymous
Something isn't right though. A normal circle's circumference is = 2πr or πd Even though this is a semi circle, the diameter will remain constant. Though the final answer is A.
anonymous
  • anonymous
What you did was right a normal circle is 2πr so if you want half of that you simply don't "need" the 2 anymore
anonymous
  • anonymous
|dw:1434547080894:dw|

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