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In the diagram below, there is a circumference with center

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SVP
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In the diagram below, there is a circumference with center [#permalink] New post 16 Oct 2003, 01:06
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In the diagram below, there is a circumference with center B; points A and C lie on the circumference. Arcs AB and BC are semicircles. Find the area of the shaded part if the radius of the initial circumference is 1.
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CEO
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Re: PS: IN-YAN GEOMETRY [#permalink] New post 16 Oct 2003, 02:09
stolyar wrote:
In the diagram below, there is a circumference with center B; points A and C lie on the circumference. Arcs AB and BC are semicircles. Find the area of the shaded part if the radius of the initial circumference is 1.


The area of the two semicircles is the same .

so its just like asking whats the area of the HALF of the Circle.

we know radius is 1

so required area is PI * 1 / 2 = PI/2
Re: PS: IN-YAN GEOMETRY   [#permalink] 16 Oct 2003, 02:09
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In the diagram below, there is a circumference with center

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