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From a point on the horizontal line through the foot of a chimney the angle of elevation of the top of the chimney is `30^@`. and the angle of elevation is `60^@` at a point on the same straight line 50 metres nearer to the chimney. What is the height of the chimney?

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Form a point on the same plane along the horizontal line passes through the foot of a chimney, the angle of elevation of the top of the chimney is 30^(@) and the angle of elevation of the top of the chimney is 60^(@) at a point on the same straight line proceeding 50 metres nearer to the chimney. Calculate the height of the chimney.

If the angle of elevation of the top of a chimney from a point on the horizontal plane passing through the foot of the chimney is 60^(@) and the angle of elevation from another point on the same plane at a distance of 24 metres away from the first point is 30^(@) . Calculate the height of the chimney. [sqrt(3)= 1.732 (approx). ]

The angle of elevation of the top of a chimney at a distance of 200 m is 60^(@) . Then the height of the chimney is__________.

A man, standing on the bank of a river observes that the angle of elevation of the top of a tree just on the opposite bank is 60^@ But the angle off elevations is 30^@ from a point at a distance y metres from the bank. Show that the height of tree h= sqrt(3y)/2.

From the top of a building, the angle of elevation of the top of a cell tower is 60^(@) and the angle of depression to its foot is 45^(@) . If distance of the building from the tower is 7m, then find the height ofthe tower.

If the angle of elevation of a kite is 60^@ and the length of the string is 80sqrt3 metre, then the height of the kite from the ground is

The angle ofelevation of the top of a tower from the foot of the building is 30^(@) and the angle of elevation of the top of the building from the foot of the tower is 60^(@) . What is the ratio ofheights of tower and building.

the angle of elevation is reduced from 60^@ to 30^@ and hence the shadow of a pole is increased by 40 meter. Find the height of the pole.

A house of 15 metres hegiht, stands on one side of a park and from a point on the roof of the house of the angle of depression of the foot of the chimney of brick kilm of the other side is 30^@ and the angle of elevation of the top of the chimney of brick kiln is 60^@ . Calculate the height of the chimney

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