30 60 90 Triangle Calculator
Known Side Short Leg (opposite 30°)Long Leg (opposite 60°)Hypotenuse Length Calculate Reset Short Leg (opposite 30°): Long Leg (opposite 60°): Hypotenuse: Area: Perimeter: The 30 60 90 Triangle Calculator is a geometry tool designed to help you instantly find missing side lengths in a special right triangle known as the 30-60-90 triangle. This triangle appears…