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  • 19-02-2017
  • Mathematics
Answered

I've done this one before but no one got it right so can someone plz help me

I ve done this one before but no one got it right so can someone plz help me class=

Verified Answer :

Anonymous Anonymous
  • 19-02-2017

Well the perimeter of a round object is also known as the circumference. Since this is a semi circle, you do 3.14 times the diameter divided by 2, or πd/2. This means 3.14 times 3 divided by two. This equals to 4.71. You also have to include the bottom of the window too, which is 3. So the total perimeter is 7.41feet.

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