Answer:
The total surface area of the given cone is

Step-by-step explanation:
<u>Step 1</u>:-
<u>Formula:-</u>
The total surface area of cone is


........(1)
<u>Step 2:-</u>
Given slant height 
and radius of the circle (base) = 2
substituting these values in equation (1)

on simplification, we get

<u>Final answer</u> :-

Total bill-$67.95
each friends owes about $16.99
Answer: sqrt(62)
Step-by-step explanation:
Rectangular prism. I know it