Question

The height of a paper cone-shaped cup is 33 cm and the diameter of the paper cone-shaped cup is 20 cm, how much paper was used?

Answer 1

Explanation:

Given that,

The height of the paper cone shaped, h = 33 cm

The diameter of the cone, d = 20 cm

Radius = (20/2) = 10 cm

oWe need to find how much paper was used. It means we need to find the total surface area of the cone.

Where

l is the slant height,

So,

So,
of the paper was used.