Mr. Howard is building a dog pen around his square yard. Each side is 144 ft long. How many yards of fencing does he need to purchase?

192

Step-by-step explanation:

192 yds

Step-by-step explanation:

There are four sides, each of length 144 ft.  Thus, the total length of fencing needed is 576 ft.

We need to convert this to yards.

576 ft     1 yd

* = 192 yds

    1         3 ft

Mr. Howard needs to purchase 192 yards of fencing.

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.

the aswere is the one with all 8's and the second one is with the 10,8 and 6

step-by-step explanation: