Question

To warn ships for underwater rocks, a lighthouse
spreads a red coloured light over a sector of angle
80° to a distance of 16.5 km. Find the area of the sea
over which the ships are warned. (Use t = 3.14)​

Answer 1

To warn ships for underwater rocks, a lighthouse

spreads a red coloured light over a sector of angle

80° to a distance of 16.5 km. Find the area of the sea

over which the ships are warned. (Use t = 3.14)

answer is here

Answer 2

Answer:

Above answer is very helpfull