Question

6) The breadth of a rectangle whose
length is 12 cm and the perimeter is
36 cm is

1) 6 cm
2) 3 cm
3) 9 cm
4) 12 cm​

Answer 1

Answer:

Given

l=12cm

p=36cm

b=? let b=x

p=2(l+b)

36cm=2(12cm+x)

36cm/2=12cm+x

x=18cm-12cm

x=6cm=b

this is the correct answer for your question

hope it helps you

Answer 2

Answer:

b=?

l=12

=perimeter of rectangle=36cm

=perimeter of rectangle=2(l+b)

=2(12+36)

=2×48

=96