Hey there! :D
These are
vertical angles. They have the same measure, so they are equal to each other.

Subtract 25 on both sides.

Subtract 2x on both sides.

Divide both sides by 4.

I hope this helps, and have a nice day!
~kaikers
Answer:
12
Step-by-step explanation:
multiply the number by show in the diagram and you need to think that your number to multiply them till you get your answer
Step-by-step explanation:
Use Pythagorean theorem:
c² = a² + b²
Here, c = 42 and a = 31.
42² = 31² + b²
b = √803
b ≈ 28.3
Answer:
Im not sure but i think its 10.4 if im wrong im so sry
Step-by-step explanation: