What is the lateral area and surface area of the cone shown below?

Question

asked Nov 6, 2023 202k views

1 Answer

Pedro Penna · Answer 1 · 2023-11-12T04:37:24+0000

Answer:

Lateral Area = 906.3

Surface Area = 461.8

Explanation:

1. Find Values:

Diameter = 14

Radius = 7

Height =
$\sqrt{19^(2)-7^(2) }$ =17.7

2. Find Lateral Area:

LA=
(1)/(3) * PI *
r^(2) * h

LA = 906.3

3. Find Surface Area:

SA = PI * r * slant height + (2 * PI * r)

SA = 461.8