Find X. This is a 40°, 40°, 90° triangle.
![Find X This is a 40 40 90 triangle class=](https://us-static.z-dn.net/files/d02/e6b0e975426162aee79c11a45126438b.png)
Answer:
In a 45°−45°−90° triangle, the length of the hypotenuse is √2 times the length of a leg. To see why this is so, note that by the Converse of the Pythagorean Theorem , these values make the triangle a right triangle. Note that an isosceles right triangle must be a 45°−45°−90° triangle.
Step-by-step explanation: