Question

Perimeter = 38 cm and length = 12 cm then breadth = ?

Answer 1

breadth =. 8 cm
given
perimeter=38cm
l=12cm
we know
perimeter =2(l+b)
so putting values in above formula
we get b=8cm

Answer 2

12+12=24
38-24=14/2
Breadth = 7 cm