Question

An equilateral triangle has an altitude of 45. Find the length of a side of the triangle.

Answer 1

See attachment.

If altitude = 45 then

side = 2 * height (or altitude) / square root of 3

side = 2 * 45 / 1.7320508076

side = 90 / 1.7320508076

side = 51.9615242271

Explanation: