Answer:
6. True
7. False
8. True
9. True
10. True
Step-by-step explanation:
3. Solving Steps
< BCE+ < CBE= <CED
Exterior Angle Theorem
39 ° + x = 109 °
Substitute <CBE=x, < CED=109°,
< BCE=39°into
<BCE+ < CBE= <CED
x = 70 °
Calculate 39 ° + x = 109 °
Answer:
x = 70 °
