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Mathematics 20 Online
OpenStudy (anonymous):

What is the perimeter of the figure to the nearest hundredth of an inch? A. 68.24 inches B. 43.12 inches C. 38.56 inches D. 26 inches

OpenStudy (anonymous):

So what is the diameter of the semicircle?

OpenStudy (anonymous):

No, i'm asking you to find the diameter using the diagram

OpenStudy (anonymous):

Do you know what the diameter is?

OpenStudy (anonymous):

no

OpenStudy (swamijatin2):

in this fiqure there is a rectangle and a semicircle 1st find the perimeter of both

OpenStudy (anonymous):

|dw:1428897654301:dw|

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

It's the distance between the sides of a circle

OpenStudy (anonymous):

oh ok

OpenStudy (anonymous):

So the diameter is 8 inches. do you see how i got that?

OpenStudy (anonymous):

ya

OpenStudy (anonymous):

Ok, do you remember what the formula is for the circumference of a circle?

OpenStudy (swamijatin2):

perimeter of rectangle =2(l+b)=2(8+9)=? perimeter of semicircle=2 x pi x r/2=?

OpenStudy (swamijatin2):

find it

OpenStudy (swamijatin2):

and tell me

OpenStudy (anonymous):

yes but whats the What is the perimeter of the figure to the nearest hundredth of an inch? A. 68.24 inches B. 43.12 inches C. 38.56 inches D. 26 inches

OpenStudy (anonymous):

so d

OpenStudy (anonymous):

ok

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