1.7n +1
I think the is the answer
I hope this helps :)
Answer:
2*base area+l.s.a
Step-by-step explanation:
2*(l*w)+lw+lh+lw
12:20 =
15:25 =
3:5 =
9:15 =
All the rectangles are similar because they all have identical lenght to width ratios.
Hope that helps!
A is the answer. Ask if you need me to explain.