Question

the perimeter of square and rectangle are equal if the sides of the square is 8 cm and the length of rectangle is 12 cm find the breadth of the rectangle

Answer 1

4a = 2(l+b)
4*8 = 2(12+b)
32 = 24+2b
2b = 8
b = 4

Answer 2

perimeter of square=4×8
=32
perimeter of rectangle = 2(12+b)
32. =2(12+b)
b=4