Im not in this math section yet but i think that you can look it up as a worksheet and find the answer on google.
the answer for the question is b! :)
Perimeter is all sides added<span />
Answer:
The answer is 180°
Step-by-step explanation:
Replace the variables in with your angle measurements and add them up. Triangles should end up with a 180° all combined.
Use Photomath or desmo to give you the answer
