Find the area of a square that has the same perimeter as a rectangle with sides of 13 cm and 5 cm.

1 action

Find the perimeter of the rectangle. The perimeter is the sum of all the sides of the polygon. A rectangle has equal parallel sides.

13 + 13 + 5 + 5 = 36 cm perimeter of the rectangle

2 action.

Find the side of the square. All sides of a square are equal. According to the problem statement, the perimeter of the rectangle is equal to the perimeter of the square.

36: 4 = 9 cm side of the square.

3 action.

Find the area of the square. To do this, you need to multiply the width by the length, and all sides of the square are equal.

9 * 9 = 81 cm2.

Answer: the area of the square is 81 cm2.