Question

Hi, can anyone help please? ​25 POINTS! PLEASE PLEASE.

Answer 1

Explanation:

The radius R of the cone is 4 units

Use similar triangles. The ratios of base to height will be constant.

4 / 8 = (4 - r) / H

½ = (4 - r) / H

½H = 4 - r

r = 4 - ½H