Answered

How do we determine the measures of angles marked with letters

Sagot :

Jhanwind096viz

Answer:

1. Answer:

Proof: Alternate Interior Angles Theorem

2. Answer:

Proof: Alternate Exterior Angles Theorem

3. Answer: ,

Proof:

For ∠r, Linear Pair Theorem and Corresponding Angles Theorem

For ∠s, Vertical Angles Theorem