# What are the basic properties of a 30-60-90 triangle?

$m a t h b f \left\{{30}^{\circ} \text{-"60^circ"-} {90}^{\circ}\right\}$ Triangle
The ratios of three sides of a ${30}^{\circ} \text{-"60^circ"-} {90}^{\circ}$ triangle are:
$1 : \sqrt{3} : 2$