An equilateral triangle has side length 6 cm. What is the length of its altitude?
Q1. An equilateral triangle has side length 6 cm. What is the length of its altitude?
Answer: 3 square root of 3 cm
Explanation: The altitude of an equilateral triangle is side times square root of 3 over 2. For side 6 cm, that is 3 square root of 3 cm.