Two poles of heights 6m and 11m stand on a plane ground. If the distance between the feet of the poles is 12m find the distance between their tops.

Two poles of heights 6 m and 11 m stand on a plane ground. If the distance between the feet of the poles is 12m , find the distance between their tops .

Find the distance between the origin and the point (12,-6)

Salini plants 4 saplings, in a row, in her garden. The distance between two adjacent saplings is frac{3}{4}m . Find the distance between the first and the last sapling.

From the top of a light house, angles of depression of two ships are 45^(@) and 60^(@) . The ships are on opposite sides of the ight house and in line with its foot. If the distance between the ships is 400 m, find the height of the light house.

A circus artist climbs from the ground along a rope which is stretched from the top of a vertical pole and tied at the ground at a certain distance from the foot of the pole. The height of the pole is 12 m and the angle made by the rope with the ground is 30^(@) . Find the distance covered by the artist in reaching the top of the pole.

Two windmills of height 50 m and 40 m are on either side of the field. A person observes the top of the windmills from a point in between the towers the angle of elevation was found to be 45^(@) in both the cases. Find the distance between the windmills.

In Young's Double Slit Experiment the distance between the slits and the screen is 1.2 m and the distance between the two slits is 2.4 mm. If a thin transparent mica sheet of thickness 1 mu m and R. I . 1.5 is introduced between one of the interfering beams , the shift in the position of central bright fringer is

A vertical tree is broken by the wind at a height of 6 metre from its foot and its top touches the ground at a distance of 8 metre from the foot of the tree. Calculate the distance between the top of the tree before breaking and the point at which tip of the tree touches the ground, after it breaks.