For VHF signal broadcasting, _________km2 of maximum service area will be covered by an antenna tower of height 30 m , if the receiving antenna is placed at ground. Let radius of the earth be 6400 km. (Round off to the Nearest Integer) (Take as 3.14)
Option: 1 1206
Option: 2 13
Option: 3 45
Option: 4 56
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