To warn ships of underwater rocks, a light house spreads a red colored – InterviewSolution

1.	To warn ships of underwater rocks, a light house spreads a red colored light over a sector of angle 80o to a distance of 16.5 km. The area of the sea over which the ships are warned is
Answer» To warn ships of underwater rocks, a light house spreads a red colored light over a sector of angle 80^o to a distance of 16.5 km. The area of the sea over which the ships are warned is

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