The formula to calculate the lateral area of a cone is given by

where
LA=10.5pi in2
r=2.1 in
l=? slant height
substitute given values

<h2>The answer is 5 inches</h2>
Answer:
R
Step-by-step explanation:
Answer:
235.5
Step-by-step explanation:
V = πr²h
V = 3.14 x 5² x 3
V = 3.14 x 25 x 3
V = 3.14 x 75
V = 235.5

(Divide then multiply by 100 and you get your answer)
- - Answer: 70%
Insert 80 into the equation
1(80) / 5
80/5 = 16