Question

the perimeter of a rectangle is 142 cm then find breadth if length is51cm

Answer 1

hey there...

here is ur answer

the formal of perimeter of rectangle is

2(l+b)
l is the length
b is the breadth

as length is mentioned we need to breadth.
the perimeter is 142.

2(51+b)=142
102+2b=142
2b=40

B=40/2
B will be
20 cm

hope this helps u

Answer 2

Breadth of rectangle =20cm.