Elise built a rectangular vegetable garden that is 9 feet long and has an area of 72 square feet. What is the perimeter of Elise’s vegetable garden?
Well if you know how long it is, you would divide 72 by 9 giving you 8. So the perimeter wold be calculated by 9+9+8+8=34 feet
Perimeter of a rectangle=2(long)+2(width)
1)we calculate the width.
area=long x width
data:
area =72 ft².
long=9 ft
72 ft²=9 ft * width
width=72 ft²/9 ft=8 ft.
2) we calculate the perimeter.
perimeter=2(9 ft)+2(8 ft)=18 ft + 16 ft=34 ft.
Answer: the perimeter of Elise`s vegetable garden is 34 ft.