Parallel lines


parallel lines

what is parallel lines


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Parsley lines are two lines that Arab always the same distance  apart are never touch. on order for two lines to  be parallel,they must be drawn in the same plane,a perfectly flat surface like a wall or sheet of paper.

what are  interior angles


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 interior angle refers to the angle or angles inside of different shapes. Any shape or design where two lines meet has an interior angle. A diamond has four corners, so it has four interior angles. A rectangle has four corners, so it also has four interior angles. A hexagon has six corners, so it has six interior angles, and every angle has one interior angles.



Illustration of exterior angle





what are exterior angle

Definition of exterior angle

1the angle between a side of a polygon and an extended adjacent side
2an angle formed by a transversal as it cuts one of two lines and situated on the outside of the line