Use the formula for the surface area of a right cone:
Where 'r' is the radius and 's' is the slant height, plug in what we know(use 3.14 to approximate for pi):
Multiply and simplify exponent:
Multiply:
Add, round to the nearest whole number:
Where 'r' is the radius and 's' is the slant height, plug in what we know(use 3.14 to approximate for pi):
Multiply and simplify exponent:
Multiply:
Add, round to the nearest whole number: