Question

Week 12
Please answer with clear instructions so that i can apply this to other questions

Answer 1

`94.2m^2`

Explanation:

The formula for SA of a cone is...

`\pi (r)(h)+\pi (r)^2`

Fill in what you have

`\pi (3)(7)+\pi (3)^2`

Pi is 3.14 for our purposes

`\pi (3)(7)+\pi (3)^2\\3.14(3)(7)+3.14(3)^2`

Then solve

`21(3.14)+9(3.14)\\\\94.2m^2`