CallumBerejdnd CallumBerejdnd

10-09-2014
Mathematics

Answered

How do I work out "The beam from a lighthouse reaches a distance of 8 kilometers and spreads to an angle of 35 degrees. Calculate the area covered by the beam from the lighthouse."

Answer :

MaciekMind MaciekMind

10-09-2014

The whole circle has 360 degrees

You just need to count the area of circle with radius of 8 km and then multiple it by the fraction 35 over 360.

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