A regular right pyramid has a square base with side length 8 cm and height 15 cm. Find the slant height of one triangular face.
Show answer & explanation
Correct answer: A
Explanation
Side of square base = 8 ⇒ Half side = 4
Height = 15
Slant height = √(15² + 4²)
= √(225 + 16)
= √241
≈ 15.52 cm