Perimeter of (Square, Rectangle, Circle and Half-circle)

The perimeter of a square and the circumferenceof a circle are equal.If the radius of the circle isr and side of the square is S,then the area of thecircle in terms of S is

Perimeter of a square and a rectangle is same. If a side of the square is 15cm one side of the rectangle is 18cm, find the area of the rectangle.

The sum of perimeter of a square and circumference of a circle is given. Prove that the sum of their areas will be minimum when the side of square is equal to the diameter of the circle.

Perimeter of a square is 28 cm and length of the rectangle is 8 cm. If the perimeter of the square and the rectangle are equal, then the area (in cm^(2) ) of the rectangle is

Area and Perimeter of Rectangle; square and triangles

The perimeter of a square and circle is same. If the area of square is 484m^2 then find the area of circle

A rectangle and a square are of equal area.If the length and the perimeter of a rectangle are 25cm and 58cm respectively,then find the perimeter and area of the square?