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Mathematics 18 Online
OpenStudy (anonymous):

@LarsEighner @Cosmichaotic

OpenStudy (larseighner):

What is the area of the whole (semi-circular) patio?

OpenStudy (anonymous):

How do you find the area of a *semi-circle* ?

OpenStudy (larseighner):

A semi-circle is half a circle. Do you know how to find the area of a circle?

OpenStudy (anonymous):

Yes, I'm guessing you just divide the answer by 2 -since it's half the circle?

OpenStudy (larseighner):

Right.Now you have two semi-circles. The whole patio (including shaded part) and the unshaded part. The paved part is shaded. So how can you find the area of the shaded part?

OpenStudy (anonymous):

This is a fun one. So we have 2 circles to figure out |dw:1404953718345:dw| Oh, do you mind if I help? I forgot to ask.

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