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12-03-2020
Mathematics

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WHAT IS THE PERIMETER OF A SEMICIRCLE WITH THE RADIUS OF 3 FEET?

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elliottou elliottou

12-03-2020

Answer:

3[tex]\pi[/tex]+6

Step-by-step explanation:

perimeter of a semicircle = half of circumference + diameter

diameter d = 2 * radius r

d = 2r = 2(3) = 6

half of circumference (2[tex]\pi[/tex]r)/2 = [tex]\pi[/tex]r = 3[tex]\pi[/tex]

perimeter = 3[tex]\pi[/tex]+6

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