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 warned. [Use π = 3.14]
you will get a link to add your travel on this - you will have to use that for successful submission of your answer. we require this to keep the website free of spam, bots and unhelpful content
please give a small description about what you want to write on so that our editorial team can help you
you will get a confirmation link on this - you will have to click that for successful submission of your question. we require this to keep the website free of spam, bots and unhelpful content