5.2. Proving that Lines are Parallel. A. B. C. D. ACD is an exterior angle. A & B are remote interior angles. m ACD is greater than m A . m ACD is greater than m B. 2. 1. 3. 4. 5. 6. 8. 7. 1 2 PQ ║ RS PQR RSP 3 4 QR ║ PS
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Proving that Lines are Parallel
ACD is an exterior angle. A & B are remote interior angles.
mACD is greater than mA.
mACD is greater than mB
PQ ║ RS
QR ║ PS
PQRS is a parallelogram.
Alt. int. s → ║ lines.
Same as 2.
A 4-sided figure with both pairs of opposite sides parallel is a parallelogram.