Farmer Bob's son built a track to walk his pet pig. The track goes around the pig pen. The pig pen is 15 feet long and 21 feet wide. If the pig walks all the way around the track, how many feet did he walk?
72 feet
36 feet
36 square feet
7. Multiple Choice
1 minute
1 pt
What is the perimeter of this polygon?
39 in
24 in
105 in
8. Multiple Choice
5 minutes
1 pt
What is the perimeter of this rectangle?
21 units
12 units
3 units
None of the above.
9. Multiple Choice
3 minutes
1 pt
Mr. Garcia is ordering fencing for his back yard. His yard has a length of 25 yards and a width of 15 yards. How many yards of fencing will he need?