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# In the diagram below, there is a circumference with center

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Joined: 03 Feb 2003
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In the diagram below, there is a circumference with center [#permalink]  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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Joined: 15 Aug 2003
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Re: PS: IN-YAN GEOMETRY [#permalink]  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.

so required area is PI * 1 / 2 = PI/2
Re: PS: IN-YAN GEOMETRY   [#permalink] 16 Oct 2003, 02:09
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