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प्रश्न
A round table cover has six equal designs as shown in the given figure. If the radius of the cover is 35 cm, then find the total area of the design. [Use `sqrt(3) = 1.732` and π = 3.14.]
बेरीज
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उत्तर
Join each vertex of the hexagon to the centre of the circle.
The hexagon is made up of six triangles.
Total area of the design = Area of the circle - Area of six triangles
`[22/7xx35xx35]-[6xx(sqrt(3)/4xx35xx35)]`
`=(35xx35)[22/7-((6xx1.732)/4)]`
`= 12225 (22/7-2.598)`
= 1225xx0.542
= 663.95 cm2
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