Question

5. The side of a square is 15 cm. If perimeter of the square is equal to the perimeter of the rectangle and
the length of the rectangle is 21 cm, then find the breadth of the rectangle?
a) 18 cm
b) 7 cm
c) 9 cm
d) 11 cm​

Answer 1

Answer:

here in the 2nd line this is perimeter of square =perimeter of rectangle

if u got the ans. then like my ans.

Answer 2

Answer:

Breadth=9,cm

Step-by-step explanation:

side of a square=15cm

perimeter of a square=perimeter of a rectangle

4s=2(l+w)

4.15=2(21+w)

60=42+2w

60-42=2w

18=2w

w=18/2

w=9cm