Problem 161 of 7
Complete the triangle theorem chain for angles A=60 degrees and B=70 degrees.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
combine angle sum, exterior angle, isosceles, or midsegment facts.
Hidden until you reveal it.
Chain must combine the correct named triangle theorem with arithmetic or algebra.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify which triangle theorem matches the given facts.
2. Write the relationship from that theorem.
3. Compute the requested measure or conclusion.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Applying a theorem unrelated to the given diagram facts.