Question

The square pyramid shown below has a base with sides of 12 units. The vertical height of the pyramid is 15

units.
15
12

Answer 1

s = 16.2 units

Explanation:

use Pythagorean theorem:

a² + b² = c²

where a = 12/2 = 6

b = 15

c = s

plugin values into the formula:

6² + 15² = s²

s = √(6² + 15²)

s = √261

s = 16.2 units