NASCARfan101
Answered

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What is the approximate circumference of a semicircle with a radius of 35 inches?

A.
1923.25 inches

B.
219.8 inches

C.
109.9 inches

D.
54.95 inches

Sagot :

Giovi
I think: C. 109.9 inches;
Considering that the entire circumference is [tex]2 \pi r[/tex] a semicircle should be only: [tex] \pi r=3.14*35=109.9 in[/tex]
AL2006

If it were a complete circle, its circumference would be

             (π) x (diameter) = (π) x (2R)  =  70 π inches .

Since it's only half of the circle, the length of the curved part is

                              70 π / 2  = 35 π  =  109.9 inches .


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