Answer:


Step-by-step explanation:
Given the equation

solving with the quadratic formula





separating the solutions

solving



also solving





Slant height is about 8.544.
Lateral area is about 96.93.
Surface area is about 144.93.
Volume is 96^3.
Its 701 im in 8th grade. And i had to do this stuff
Answer:
Approximately 439.6 square millimeters.
Step-by-step explanation:
The formula for the surface area of a cone is the following:

Where, <em>r </em>is the radius and <em>l</em> is the slant height.
The radius is 7 and the slant height is 13. We also use 3.14 for π Thus:
