WAEC - Mathematics (1991 - No. 27)
From the top of a cliff, the angle of depression of
a boat on the sea is 60o, if the top of the cliff is
25m above the sea level, calculate the horizontal
distance from the bottom of the cliff to the boat.
a boat on the sea is 60o, if the top of the cliff is
25m above the sea level, calculate the horizontal
distance from the bottom of the cliff to the boat.
50√3m
25√3m
25√3m3
25m3
√3m25
Magyarázat
x =
25√3
= 25√33