Question

Cape Beale Lighthouse, BC, is

on a cliff that is 51 m above sea
level. The lighthouse is there
to warn boats of the danger of
shallow waters and the
possibility of rocks close to the
shore. The safe distance for
boats from this cliff is 75 m. If
the lighthouse keeper is 10 m
above ground and observes a
boat at an angle of depression
of 50°, is the boat a safe
distance from the cliff? Justify
your conclusion.

Answer 1

tan 50 = (51+10)/x where x is the distance of the boat

x = 51.2 m

Boat is in an unsafe area

Explanation:

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