Answer:
1) 346 ft.
2)10 ft.
3)60 ft.
Explanation:
1) the equation for finding the perimeter of a rectangle is P=2L+2W. so, P=2(120)+2(53). P=240+106. P=346.
2) The equation is P=2L+2W. P=2(3)+2(2). P=6+4. P=10
3) the equation for finding the perimeter of a square is P=4s. So P=4(15) P=60
Hope this helps!