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Mathematics 13 Online
OpenStudy (anonymous):

The figure below shows two half-circles at the ends of a rectangle with the dimensions shown. Which is closest to the area of the figure in square inches.

OpenStudy (anonymous):

@ParthKohli

OpenStudy (anonymous):

@pooja195

OpenStudy (littlebird):

You need to post a picture

OpenStudy (anonymous):

OpenStudy (anonymous):

I know the answer it is 93 I just need an explanation on how I got 93

OpenStudy (littlebird):

OpenStudy (anonymous):

can u just give me an explanation I don't know how to do it I will give u a medal

OpenStudy (anonymous):

@dan815

OpenStudy (littlebird):

You add the area of the rectangle to the area of a circle

OpenStudy (littlebird):

because you have a rectangle...and the two half circles onthe ends together make a circle Rectangle area = length x width Circle area = pi x radius^2 The length is 20 The width 4 The radius is half the width

OpenStudy (littlebird):

So radius is 2

OpenStudy (littlebird):

Rectangle area = 20 x 4 = 80 Circle area = pi x (2)^2 = 4pi = 12.56

OpenStudy (littlebird):

Then you add them

OpenStudy (littlebird):

You get 92.56

OpenStudy (littlebird):

Which you round up to get 93

OpenStudy (anonymous):

thanks so much

OpenStudy (littlebird):

Here's my terrible drawing of the math

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