4.An ice cream store is making waffle cones. The finished cone should have a radius of 1 inch and be 5 inches tall. The slant height of the cone is 5.1 inches. How much waffle will they need to make each cone? Express your answer to the nearest square inch. A. 6 in2
B. 16 in2
C. 18 in2
D. 19 in2

Question

4.An ice cream store is making waffle cones. The finished cone should have a radius of 1 inch and be 5 inches tall. The slant height of the cone is 5.1 inches. How much waffle will they need to make each cone? Express your answer to the nearest square inch. A. 6 in2
B. 16 in2
C. 18 in2
D. 19 in2

directrix · Answer

SA = πr2 + πrl Where,
 r is the radius
 l is the slant height
 We don't need the area of the base. It is open.

LA = pi * r * l  where LA is lateral area
LA = pi * 1 * 5.1
LA = 16.02

 B. 16 in2 --> ANS