PQRS is a parallelogram. QM is the height from Q to SR and QN is the height from Q to PS. If SR=12cm and QM-7.6mc. Find: QN, if PS=8cm.

PQRS is a parallelogram. QM is the height from Q to SR and QN is the height from Q to PS. If SR=12cm and QM-7.6mc. Find: the area of the parallelogram PQRS.

Find the volume of the right circular cone with radius 6 cm, height 7 cm

A vessel is in the from a hollow hemisphere mounted by a hollow cylinder . The diameter of the hemisphere is 14cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.

A toy was made by scopping out a hemisphere from each end of a solid cylinder . If the height of the cylinder is h cm and base radius is r rms . Find the total surface area of the toy .

The bottom of a light cylindrical shaped vessel made from metallic sheet is closed by a cone shaped vessel as shown in the figure. The radius of the circular base of the cylinder and radius of the circular base of the cone each is equal to 7 cm . If the height of the cylinder is 20 cm & height of the cone is 3 cm, calculate the cost of milk of fill completely this vessel at the rate of Rs. 20/liter.

lfloorABC is isosceles with AB=AC=7.5cm and BC=9cm. The height AD from A to BC, is 6cm. Find the area of ABC. What will be the height from C to AB i.e., CE

In a triangle PQR with right angle at Q , the value of angle P is x, PQ = 7cm and QR = 24 cm , then find sin x and cos x