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ZanzabumX [31]
3 years ago
5

Semicircle arc AB,AC,BD and CD divide the circle above in to regions. The points shown along the diameter AD divided in to 6 equ

al parts. If AD=6 what is the total area of the shaded region?

Mathematics
1 answer:
frozen [14]3 years ago
6 0
Area semicircle = π * r^{2} / 2;

 the total area of the shaded region = 2 * [ π* ( BD / 2)^{2} / 2 - π* ( CD / 2)^{2} / 2 ] = 4π - 1π = 3π.
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