Solve for x to the nearest tenth.
25-4=21. Using Pythagorean x would be sqrt(21-9) = sqrt(11) -> about 3.3
The missing side between the two triangles is √(52 - 22) = √21.
x = √((√21)2 - 32) = 2√3 ≈ 3.5
+57 
+592 
