Question

The perimeter of a rectangle is equal to
the perimeter of the square of side 15 cm.
If the side of the rectangle is 20 cm long,
what is its breadth?​

Answer 1

Answer:

perimeter of square

4xside

4x15cm

79cm

perimeter of square is = to perimeter of rectangle

perimeter of rectangle=60cm

length of the rectangle=20cm

breath=?

perimeter of rectangle=2(l+b)

BTP

2(20+x)

40+2x=60

2x=20

x=10

breath of rectangle=10