13. If the difference between the area of a regular hexagonal plot and the areas
swimming tank circumscribed in it is 26.705 mFind the radius of th
swimming tank.(n = 3.143, 3 = 1.732)
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Answered by
2
Answer:
7 is the answer
Step-by-step explanation:
ΔOAB is an equilateral triangle. .'. Side of hexagon = radius of circle = r (say) Area of hexagon = Area of circle - 6 x Area of ΔOAB
6* √3/4*r ^2
πr^2 - 6√3/4 * r^2 = 26.705
r^2 ( 3.143 - 3/2 * 1.732 ) = 26.705
r^2 ( 0.545) = 26.705
r^2 = 49
r = 7
Answered by
0
Answer:
Above answer is absolutely correct... Thanks
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