Mathematics
A man 1.8 m high stands at a distance of 3.6 m from a lamp post and casts a shadow of 5.4 m on the ground. Find the height of the lamp post.
Related Questions
An aeroplane at an altitude of 250 m observes the angle of depression of two boats on the opposite banks of a river to be 45° and 60° respectively. Find the width of the river. Write the answer correct to the nearest whole number.
From a tower 126 m high, the angles of depression of two rocks which are in a horizontal line through the base of the tower are 16° and 12° 20'. Find the distance between the rocks if they are on
(i) the same side of the tower
(ii) the opposite sides of the tower.
From top of a cliff, angle of depression of the top and bottom of a tower observed to be 45° and 60° respectively. If the height of the tower is 20 m. Find:
(i) the height of the cliff.
(ii) the distance between the cliff and the tower.