45 45 90 Triangle Calculator

45 45 90 triangle calculator calculates the hypotenuse, leg length, area, or perimeter from another known leg for a triangle with 45°45°90°.

A 45°45°90° triangle is a right triangle, it has two legs of equals length with both opposite angles of 45°. and the length of the hypotenuse is √2 times of the length of a leg.
For example, if leg a is 25,
leg b is equal to 25,
hypotenuse c is 25x√2=35.36.