Question

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

Answer 1

Answer:

$94.2m^2$

Step-by-step 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

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