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Mathematics 17 Online
OpenStudy (anonymous):

What is the approximate area of the figure? A. 129 square inches B. 113 square inches C. 110 square inches D. 44 square inches

OpenStudy (anonymous):

OpenStudy (anonymous):

Area of the rectangle: A=b+h Area of a half cirle: \[A=\frac{ \Pi r^{2} }{ 2 }\]

OpenStudy (anonymous):

Sorry, in the are of the rectangle: A=b*h. And the total area: Area of the rectangle + the area of the half circle

OpenStudy (anonymous):

Area of the rectangle is 91?

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

And for the half circle I find the area and divided it by two?

OpenStudy (anonymous):

Yes, you are correct. And, total just sum both of them

OpenStudy (anonymous):

Okay. But do I do anything with the pi?

OpenStudy (anonymous):

Pi=3.1416 approximately

OpenStudy (anonymous):

Multiply the radius squared.

OpenStudy (anonymous):

okay. I got 129. is that right?

OpenStudy (anonymous):

hello?

OpenStudy (anonymous):

The area of the circle is: \[A=\frac{ 3.1416*(3.5)^{2} }{ 2 }=19.2423\]

OpenStudy (anonymous):

I got 110.2423

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