Parallel line


What is parallel line? Line are parallel if they are always the same distance apart (called “equidistant”), and will never meet. Just remember.              Always the same distance apart and never touching.

The red line is parallel to the blue line in each of these examples: Parallel lines also point in the same direction.ผลการค้นหารูปภาพสำหรับ PARALLEL LINE

What is Interior angle?      An Interior Angle is an angle inside a shapeผลการค้นหารูปภาพสำหรับ Interior angle

Note: When we add up the Interior Angle and Exterior Angle we get a straight line, 180°. (See Supplementary Angles)

What is Exterior angle?  The angle between any side of a shape, and a line extended from the next side. ผลการค้นหารูปภาพสำหรับ Exterior angle

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