Perimeter and area of a square

The diagonal of a square is '12 cm'. Calculate the perimeter and area of the square.

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?

measure the perimeter and area of the square having diagonal 14 cm.

Join the points A(4,-4),B(4,4),C(-4,4),D(-4,-4) on x-y plane to get the square ABCD.Also find the perimeter and area of the square.

Write the ratio of perimeter to area of a square , having side 4cm.

The area, perimeter and diagonals of a square area a, b, c respectively. Then the value of (bc)/(a) is.