Name Class * 11-3 * Think About a Plan Surface Areas of Pyramids and Cones Find the lateral area of the cone to the nearest whole number. Understanding the Problem 1. What is the formula for the lateral area of a cone? 2. How are the two variables in this formula defined? Halla 2 3. What two pieces of information are given in the figure of the cone? Planning the Solution 4. How can you use the given information to find the radius? 4 m 4.5 m 5. How can you use the given information and the radius to find the slant height? Getting an Answer 6. What is the radius? 2 7. What is the slant height of the cone? 8. What is the lateral area of the cone? подгой пол? Fi