Posted by **Taylor** on Thursday, October 27, 2011 at 6:25pm.

L ii

i i

i i

i i

i i A

i i

i i

i i

i i

i i 4000 miles

i i

i i

E ii

right triangle have to find side EL.

The range of a lighthouse is the maximum distance at which its

light is visible. In the figure, point A is the farthest point from

which it is possible to see the light at the top of the lighthouse L.

The distance along Earth s is the range. Assuming that the radius

of Earth is 4000 miles, find the range of Marblehead Lighthouse.

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