a rectangular park has a perimeter of 18 miles it is 7 miles wide. what is the area of the park. 4 sq miles? 9 sq miles? 14 sq miles? 18 sq miles?

18 miles long, one side is 7 miles, rectangle

a rectangle has 2 sets of identical sides

2 sides are 7 miles long each

18 - 7 -7 = 4miles

4/2sides = 2 miles long each side

2 miles x 7 miles = 14 square miles for area