Question

In an equilateral triangle ABC AD is the median to side BC find the length of AD if side of equilateral triangle is _____ with side 10cm

• A. 5√3
• B. 5√5
• C. 6√6
• D. 7√8

Answer 1

Answer:

A. 5√3

Median = height of an equilateral triangle = √3 × a/2 = √3 × 10/2 = 5√3