> There are many cones with a height of 12 inches, Letr represent the radius and V represent the volume of these cones
a. Write an equation that expresses the relationship between V and r. Use 3.14 as
an approximation for
b. Plot points that show the volume when I, 2, 3, and r = 4. Show
your reasoning
300
250
200
volume (cubic inches
150
100
50
4
5
2
radius (inches)
c. A vendor at a street fair sells popcorn in cones, all of height 9 inches. The
sharing-size cone has 3 times the radius of the skinny-size cone. About how
many times more popcorn does the sharing cone hold than the skinny cone?