Answer:
![52 \sqrt[5]{7}](https://tex.z-dn.net/?f=52%20%5Csqrt%5B5%5D%7B7%7D%20)
Step-by-step explanation:

![= 52 \sqrt[5]{7}](https://tex.z-dn.net/?f=%20%3D%2052%20%5Csqrt%5B5%5D%7B7%7D%20)
Angle A is the smallest.
It's truly simple; The triangle's smallest side is 10 units (used for unknown units of measurements). Angles A and E are both acute angles, however, angle E is larger due to side AD being larger than side ED. So, the angle has to widen in order to reach the full length.
? ?? Hi so that doesn’t make sense