Question

g

Answer 1

lateral surface area of cone is =pi*r*l
where l is slant height and r is radius which is 3 and height is 4 cm
l=sqrt{(r^2)+(h^2)}
l=sqrt{(3^2)+(4^2)}
l=sqrt(9+16)
l=5

so area is 3.14*3*5=47.123