There is a tower on one side of the road and a house on the other side. Degradation of the roof and base of the house from the top of the minaret...

A 15 m tall house on the bank of a river is facing a chimney directly opposite to it on the other bank. The angle of depresion from the roof of the house to the base of the chimney is 30 degree and the angle of elevation from the base of the house to the top of the chimney is 60 degree. Find the approximate width of the river and the height of the chimney. (a)24 m and 47 m (b)20 m and 25 m (c)25 m and 41 m (d)26 m and 45 m

A ladder rests against a house on a side of a street and the angle of elevation of the top of the ladder is 60^(@) .The ladder is turned over till it roots against another house on the other side of the street and the angle of elevation of its top is 45^(@) .If the ladder is 40m long then breadth of the street is

Two points A and B are on the same side of a tower and in the same straight line with its base. The angles of depression of these points from the top of the tower are 60^(@)" and "45^(@) respectively. If the height of the tower is 15 m, then find the distance between these points.

From a window 60 m high above the ground of a house in a street, the angle of elevation and depression of the top and the foot of another house on the opposite side of the street are 60^(@) and 45^(@) respectively. Show that the height of opposite house is 60(1+sqrt(3)) metres.

From a window (h metres high above the ground) of a house in a street, the angle of elevation and depression of the top and the foot of another house on the opposite side of the street are theta and phi respectively. Show that the height of the opposite house is h(1+tan theta cot phi) metres.

Two ships are sailing in the sea on the tow sides of a light house . The angles of elevation of the top of the light house as observed from the two ships are 30^(@)and45^(@) respectively . If the light house is 100 m high , the distance be - tween the two ships is :(take sqrt(3)=1.73)

Two houses are collinear with the base of a tower and are at distance 3 m and 12 m (on the same side) from the base of the tower. The angles of elevation from these two houses of the top of the tower are complementary. What is the height of the tower ?

Two houses are collinear with the base of a lower and are at distance 3m and 12m from the base of the tower. The angles of elevation from these two houses of the top of the tower are complementary What is the height of the lower