Question

The perimeter of a rectangle is equal to the perimeter of a square. If the length and the breadth of the rectangle are 10 cm and 8 cm, respectively, then what will be the area of the square?

• A. 72
• B. 49
• C. 81
• D. 64

Answer 1

Answer:

C. 81

Perimeter of rectangle = 2(L + B) = 2(10 + 8) = 2 x 18 = 36 cm perimeter of a rectangle = The perimeter of a square 36 = 4a a = 9 cm Area of square = a² = 9² = 81 cm²