Area

If the circumference and area of a circle are numerically equal, the radius is:

The area of an equilateral triangle is A. If the side is doubled, the new area is:

A square is inscribed in a circle of area 154 sq. cm. The area of the square is:

The area of a path of width 2m around a circular pond of radius 8m is:

What is the maximum area of a rectangle with a perimeter of 24 cm?

A wire bent as a square encloses 484 sq. cm. If same wire is bent as a circle, its area is:

Ratio of area of incircle to circumcircle of a square is:

Find the area of a trapezium whose parallel sides are 10 cm and 22 cm, and non-parallel sides are 10 cm each.

Percentage increase in area of circle if radius is increased by 100% is:

Area of a regular hexagon is 24*sqrt(3) sq. cm. Find its side.

Area of the shaded region: a square of side 10 cm with four quadrants of radius 5 cm at corners removed.

If the area of a circle and a square are equal, find the ratio of their perimeters.

Find area of triangle with medians 9, 12, 15 cm.

Area of a cyclic quadrilateral with sides 3, 3, 4, 4 is:

Area of a sector is 1/4th the area of the circle. The central angle is:

Area of a rectangle is 200, length is twice breadth. Breadth is:

Area of a square is increased by 69%. Side is increased by:

Area of a triangle with sides 5, 12, 13 is:

Area of a circle is 616. Find its circumference.

Area of a rhombus is 100. If diagonals are in ratio 1:2, the shorter diagonal is: