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Parallel and perpendicular lines
Parallel lines are the same distance apart from each ... Right angles are sometimes shown with a small square where the lines meet. Perpendicular lines can meet at a point, like at the edge ...
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Parallel Rules
Parallel rules help draftsmen, surveyors, cartographers, architects, and navigators draw accurate parallel lines. The instrument comes in two ... The parallel rule was superseded for most uses by the ...
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How to Use a Speed Square for DIY Projects
In seconds, you’ll have marked a straight line completely parallel to the edge and as long as you need, potentially as long as the board itself. The square can be flipped over to be butted on ...
BBC4y
Parallel and perpendicular lines
Parallel lines are the same distance apart from each ... Right angles are sometimes shown with a small square where the lines meet. Perpendicular lines can meet at a point, like at the edge ...