1.

For an advertisement purposesector of angle 70° to a distance of 10 km. Find the area of the city over which the light is spread., a mall in the city is spreading a white light in the night time over a

Answer»

Area covered = A*pi*r^2/360A = 70r = 10 kmArea covered = 70*22*10*10/7*360Area covered = 61.1111 km^2



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