Can someone help me with the questions in the picture?

You need to pay attention to see if the sides will be equal to each other or equal to 180

first picture on top left is x = -4

second picture on top right is x = 19/2

third picture on bottom left is x = -5

fourth picture on bottom right is x = 166/41

answer: i think the answer is etheir c or d but i don't know which one but have a good day!

step-by-step explanation:

1,645,493,059.35

step-by-step explanation: