Area and Perimeter of Rectangle; square and triangles

Area and perimeter of a rectangle

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?

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

The perimeter of a rectangle and an equilateral triangle are same. Also, one of the sides of the rectangle is equal to the side of the triangle. The ratio of the areas of the rectangle and the triangle is

If the perimeter of a rectangle and a square each is equal to 80 cm and the difference of their areas is 100 sq. cm, the sides of the rectangle are: