Question

Each side of an equilateral triangle measures 9cm. Find the height, h, of the triangle.

Answer 1

`Heigh \ for\ equilateral \ triangle \ is \calculated\ from\ formula:\\\\h=(\sqrt3)/(2)a\\\\a-side\ of\ triangle\\\\a=9cm\\\\h=(\sqrt3)/(2)*9=(9\sqrt3)/(2)=4,5\sqrt2cm`