Question

5. An equilateral triangle is shown below.

Determine the AREA of the triangle.
Round your answer to the nearest tenth.

Answer 1

Explanation:

`altitude=√(8^2-4^2) =4√(2^2-1^2) =4√(3) \\area~of~triangle=(1)/(2) * base * altitude\\=(1)/(2) * 8 * 4√(3) \\=16√(3) \\\approx 27.7 ~in^2`