Respuesta :

Given: 3cm, Lcm, 20cm
To find:
value of L-
solution:
Perimeter of rectangle
=2(3+l)
so, 2(3+l)=20
3+l=10=>L=7cm
hence, the value of l is 7cm

Answer:

6.6 if rounded 7

Step-by-step explanation:

P=L x W

so in order to get get that you need to divide 20 by 3