70,000 when a zero is in between you gonna count it
Answer:
251.2
Step-by-step explanation:
V=πr²h
3.14×4²×5
Answer:

Step-by-step explanation:
Given that,
Radius of a cone, r = 13 cm
Slant height of the cone, l = 20 cm
We need to find the surface area of the cone. The formula for the surface area of the cone is given by :

Put all the values,

So, the surface area of the cone is
.