Yes. It can be used as an alternative word for width.
Perimeter P = 1.57 km => 1570 meters Length L = 168 Perimeter = 2 x L + 2 x B(readth) => 2L + 2B So: 1570 = 2L + 2B => Fill in for L 1570 = 2 x 168 + 2B => Fill in for 2x168 1570 = 336 +...
4 5
All you need to do is length x breadth = area
Divide the area by the length of the rectangle