Question

An equilateral triangle with side length 11 cm is shown in the diagram, work out the height of the triangle.

Give your answer rounded to 1 DP.
30 points if answered!

Answer 1

9.53 cm

Explanation:

Height of equilateral triangle.

a = 11 cm

`\boxed{\text{height of equilateral triangle = $(√(3))/(2)*a$}}`

`\sf =(√(3)*11)/(2)\\\\ = (1.732*11)/(2)\\\\ = 9.53 \ cm`