A square and an equilateral triangle are drawn on the same base. the ratio of their area is

A circular wire of diameter 42 cm is folded in the shape of a rectangle whose sides are in the ratio 6 : 5 . Find the area enclosed by the rectangle. (Take π = 22/7 ) 

If in a triangle the circumcentre, incentre, centroid and orthocentre are at the same place, then what will that triangle be like?

What is a point at equidistant from the vertices of a triangle called?

Piyush formed a larger cube from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?

A prism and a pyramid have the same base and the same height. Find the ratio of the volumes of the prism and the pyramid.

The area of the base of a right circular cone is 81 cm² and its height is 12 cm. What is the curved surface area (in cm2) of the cone?

The volume of a cone is . If the height of the cone is 20 cm, then what will be the area of the base?