Can someone explain how to do this? Will mark as brainliest

Can Someone Explain How To Do This Will Mark As Brainliest class=

Answer :

Answer: x is the angle of the tricundicular angle of the imperfect triangle. It’s like area but it’s an imperfect triangle, there’s is also 2 different numbers that u should get from this

Step-by-step explanation: pls mark brainliest