Hello, benny92000!

The problem is not stated clearly.

A cone made of cardboard has a vertical height of 8 cm and a radius of 6 cm.

If this cone is cut along the slanted height to make a sector,

what is the central angle, in degrees, of the sector?

The side view of the cone looks like this:

We see that the slant height is 10 cm.Code:B * /:\ / : \ / : \ / : \ 10 / :8 \ / : \ / : \ A *-------*-------* C : - 6 - : - 6 - :

The circumference of the base is: .

Now we cut the cone and lay it flat.

We have a large sector of a circle of radius 10.

Length-of-arc Formula: . . where:.Code:B * * * * * * * * * * O * * * * * / \ * 10 / \ 10 * / \ * * / \ * A * * C * * *

We have: .

Therefore: .

. . . . . . . . . .