Question

Find the lateral area of this cone.

Leave your answer in terms of pie.
12cm
5cm
LA = [ ? ]pie cm2
Hint: Lateral Area of a Cone = tre
Where l = slant height
Enter

Answer 1

65π

Explanation:

Slant height, l = √r² + h²

l = √5² + 12²

l = √25 + 144

l = √169

l = 13

Lateral area = πrl

Lateral area = π5*13

Lateral area = 65π