A man observed the top of a tower at a distance a from its base at an angle of elevation `60^@`. He saw the top of the tower at an angle of elevation `30^@` from a point at the distance b from the base.Prove that height of the tower h=`sqrt(ab)`

A man observed the top of a tower at a distance a from its base at an angle of elevation 30^circ . He saw the top of a tower at an angle of elevation 60^circ from a point at the distance b from the base, Prove that the height of the tower h=sqrtab

A man 1.7 metres tall stands 10 metres away from the foot of a tree, and he sees the top of the tree at an angle of elevation 40^circ . How tall is the tree?

A boy sees the top of a tówer with an angle of elevation. 60^circ . Stepping 20metres back, he sees the same top with an angle of elevation 30^circ . Draw a rough figure and calculate the height of the tower.

A boy viewed the top of a tree at anangle of elevation 30^@ . He moved 10 m towards the tree and saw the top of the tree ant the angle 60^@ Find the height of the tree.

A man, standing at the foot of a tower, sees the top of a building 20 metres away at an elevation of 60^o . Climbing to the top of the tower, he sees it at an elevation of 45^o .Draw a rough figure based on the above facts.

A man, standing at the foot of a tower, sees the top of a building 20 metres away at an elevation of 60^o . Climbing to the top of the tower, he sees it at an elevation of 45^o .What is the height of the building?

A child stands 30 metres away from the foot of a telephone tower, sees the top of the tower at an angle of elevation 30^circ . Stepping some distance towards the tower, sees it at an elevation of 45^circ a) What is the height of the tower? b) How much distance did he walk?

A man, standing at the foot of a tower, sees the top of a building 20 metres away at an elevation of 60^o . Climbing to the top of the tower, he sees it at an elevation of 45^o .Calculate the height of the tower. (Take sqrt3=1.73 )