What is the slant height of a cone, base has a radius of 7 cm and a vertical height of 24 cm?
Show answer & explanation
Correct answer: A
Explanation
Given:
r = 7 cm, h = 24 cm
Slant height of the cone, l = √(r² + h²)
l = √(7² + 24²)
= √(49 + 576)
= √625
= 25 cm