The diameter of a roller is 84 cm and its length is 120 cm. It makes 500 complete revolutions to move once over to level a playground. Find the area of the playground.

The perimeter of a circle is equal to the square perimeter. What will be the ratio of their areas?

The volume of a prism is 288cm³ and height is 24cm. The area of the base of the prism (cm²) is:

The radius of a cone is 20 cm and height is 21 cm, the total surface area of the cone is in square cm:

In a circle, difference between the circumference and radius is 37 cm. Find the area (in cm²) of the circle?

What is the area of the largest triangle that can be fitted into a rectangle of length 'l' units and width 'w' units?

42 cm a circular wire of diameter is folded into a rectangle whose sides are in the ratio 6: 5. What will be the area of the rectangle?

What is the area ( in cm² ) of the circumcircle of a triangle whose sides are 6 cm , 8 cm and 10 cm respectively ?