Answer:
4. Converse of Corresponding Angles Postulate
Step-by-step explanation:
Answer: the brother is 20 and the sister is 9
29 - 11 = 18 18 divided by 2 is 9
9+11 is 20 the brothers age so the sister is 9
Use a protractor
Im still working on it give me a sec.
um don't understand
...........