Find the area of the shaded portion. The answer is just waiting for you to find it!
Angles that have sides with a 45°/ 45°/90° usually have a unique ratio. The two legs are the exact same length, and the hypotenuse is that length times √2. Whenever you are given a triangle as shown above - one where two of its angles are 45° and the third is 90°, you can easily [...]