Question

8. The area of a square and a rectangle are equal. If the side of the square is 40 cm and the breadth of the rectangle is 25 cm, find the length of the rectangle. Also, find the perimeter of the rectangle.
​

Answer 1

Answer:

$aera \: of \: square = area \: of \: rectagle \\ 4a ^{2} = lb \\ 4(40) {}^{2} = l \times 25 \\ 4 \times 1600 = l \times 25 \\ 6400 \div 25 = l \\ l = 256$