42
40
x
Find the unknown side length, x. Write your answer in simplest radical form.
A. 2.41
B. 429
C. 48
D. 58
![42 40 x Find the unknown side length x Write your answer in simplest radical form A 241 B 429 C 48 D 58 class=](https://us-static.z-dn.net/files/ddc/7efd377790647c0cb59a1244e9fb6413.png)