A television station is reported to have a viewing and listening radius of 135 km. from its sending station. How many sq. km of territory does this station serve

Sagot :

Area covered by the station = π r²

where r (radius) 135 km.
π (pi) = 3.14

Area covered by the station = 3.24 (135 km)²
                                         = 3.14 (18,225 km²)
                                         = 57,226.5 km²

The station serves household in 57,226.5 km
² vicinity.