A circle and a rectangle have the same perimeter. The sides of rectangle are 18 cm and 26 cm then find out the area of circle?

The base of a right circular cone has the same radius a as that of a sphere. Both the sphere and the Cone have the same volume. Height of the cone is:

The ratio of the volume of right circular cylinder and a right circular cone of the same base and height will be:

Find the area of the shaded region if the radius of each of the circle is 1 cm.

A wall is the form of a trapezium with height 8 m and parallel sides being 5 m and 10 m. What is the cost of painting the wall, if the rate of painting is Rs. 50 per square meter  ?

In the given figure find out the area of circle?

What is the area of an equilateral triangle having altitude equal to cm.

One side of the rectangular ground is 8m and its diagonal is 17m. Find the area of the ground?