Question 12To 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 π=3.14)

Question 12To warn ships for underwater rocks, a lighthouse spreads a

1.	Question 12To 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 π=3.14)
Answer» Question 12 To warn ships for underwater rocks, a lighthouse spreads a red coloured light over a sector of angle $80^{\circ}$ to a distance of 16.5 km. Find the area of the sea over which the ships are warned. $(U s e π = 3.14)$