Question

1. Find the length of side "a" in the figure below. Also identify the type of triangle and

explain how you arrived at the answer.​

Answer 1

It's a right triangle. a = 5.

Explanation:

Look at the picture.

We have the triangle 30° - 60° - 90°. The sides are in ratio 1 : √3 : 2.

We have:

`a\sqrt3=5\sqrt3` divide both sides by √3

`a=5`

It's a right triangle.