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CDS Model Paper 5 Mathematics
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© examsnet.com
Question : 49
Total: 100
What is the area of a regular hexagon inscribed in a circle of radius
r
?
2
√
3
r
2
sq. units
3
√
3
2
r
2
sq. units
2
√
3
r
2
sq. units
√
3
2
r
2
sq. units
Validate
Solution:
We can divide the regular hexagon into 6 equilateral triangles. Since the hexagon is in a circle the radius
r
is the side of the equilateral triangle.
∴ Area of the hexagon
=
6
×
√
3
4
r
2
=
3
√
3
2
r
2
sq. units.
© examsnet.com
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