Example:
When you are driving down the street going from your house to your friend's house and she/ he lives on the same street, the two opposite rays is your house and your friend's house and thse two opposite rays form a straight line.
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When you are driving down the street going from your house to your friend's house and she/ he lives on the same street, the two opposite rays is your house and your friend's house and thse two opposite rays form a straight line.
Page 8