We need a picture to ANWSER it
"<span>What contributed to the formation of the majority of Iceland?"
Lava is the answer, I believe.</span>
Answer:
8 inch
Explanation:
Data:
let the perimeter be = 25 inch
the total lengths of the shorter sides = 
The total length of the longer sides = 
Each longer side will be = 
The length of each longer side will be 8 inch.