from the top of a cliff 130cm high,the angle of depression of a boat is 25 degree.How far is the boat from the foot of the hill?

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Guest Feb 3, 2015

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Best Answer

That's not much of a hill!!.... anyway, we have that

tan 25 = x / 130 where x is the distance from the boat to the base of the hill

Multiply both sides by 130

130* tan 25 = x = about 60.62cm

CPhill Feb 3, 2015

CPhill · Answer 1 · 2015-02-03T10:06:54

That's not much of a hill!!.... anyway, we have that

tan 25 = x / 130 where x is the distance from the boat to the base of the hill

Multiply both sides by 130

130* tan 25 = x = about 60.62cm