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1. The segment will be enclosed within a sector of radii 18 cm and an arc angle of about 113 degrees.

2. Area of sector: 113/360*pi*18*18 = 319 square cm rounded.

3. Area of segment: 316-area of isosceles triangle contained in the sector = 170 square cm rounded.

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โˆ™ 2016-02-06 13:02:32
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