Perpendicular line Construction

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Presentation transcript:

Perpendicular line Construction Perpendicular Bisector Aim: Divide a line in half at 90º P Perpendicular Line from a point NEAR a line P Perpendicular Line from a point ON a line

Perpendicular Bisector A Aim: Divide a line in half at 90º Rule a line (leaving some space on each side of the line) Click to start Step1 Home

Perpendicular Bisector A Aim: Divide a line in half at 90º Compass point Set your compass to about ¾ of the line length Step1 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Compass point Set your compass to about ¾ of the line length Step1 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Compass point Set your compass to about ¾ of the line length Step1 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Compass point Arc into space each side of the line Step1 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Compass point Arc into space each side of the line Step1 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Compass point Arc into space each side of the line Step1 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Compass point Arc into space each side of the line Step1 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Compass point Arc into space each side of the line Step1 Home

Perpendicular Bisector B Aim: Divide a line in half at 90º Keep the compass the same Arc into space each side of the line Compass point Step1 Step2 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Keep the compass the same Arc into space each side of the line Compass point Step1 Step2 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Keep the compass the same Arc into space each side of the line Compass point Step1 Step2 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Arc into space each side of the line Compass point Step1 Step2 Home

Perpendicular Bisector C Aim: Divide a line in half at 90º Use a ruler to join this point With this point Step1 Step2 Step3 Home

Perpendicular Bisector Aim: Divide a line in half at 90º Perpendicular bisector This should be 90º 90º 1 2 1 2 And half way Step1 Step2 Step3 The End Circumcircle Home

Circumcircle Do the Perpendicular Bisectors of the sides of a triangle meet at one point? This? Step1 Step2 Step3 The End Circumcircle Home

Circumcircle Do the Perpendicular Bisectors of the sides of a triangle meet at one point? OR This? Step1 Step2 Step3 The End Circumcircle Home

Circumcircle Do the Perpendicular Bisectors of the sides of a triangle meet at one point? Step1 Step2 Step3 The End Circumcircle Home

Perpendicular Line from a Point A Aim: Construct a line at 90º through a point near a line P Rule a line Mark a point near the line (about 4cm away is fine) Leave some space on either side of the line Click to start Step1 Home

Perpendicular Line from a Point A Aim: Construct a line at 90º through a point near a line Compass point P Set your compass to reach over the line so the arc will cut twice Step1 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Compass point P Set your compass to reach over the line so the arc will cut twice Step1 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Compass point P Move your compass to one side Step1 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Compass point P Step1 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Compass point P Step1 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Compass point P Step1 Home

Perpendicular Line from a Point B Aim: Construct a line at 90º through a point near a line P Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Keep the compass the same P Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Keep the compass the same P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Keep the compass the same P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point C Aim: Construct a line at 90º through a point near a line Keep the compass the same P Arc into space each side of the line Compass point Step1 Step2 Step3 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Keep the compass the same P Arc into space each side of the line Compass point Step1 Step2 Step3 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Keep the compass the same P Arc into space each side of the line Compass point Step1 Step2 Step3 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line P Arc into space each side of the line Compass point Step1 Step2 Step3 Home

Perpendicular Line from a Point D Aim: Construct a line at 90º through a point near a line Use a ruler to join this point P With this point Step1 Step2 Step3 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point near a line Perpendicular Line This should be 90º P 90º Step1 Step2 Step3 The End Home

Perpendicular Line from a Point A Aim: Construct a line at 90º through a point on a line Rule a line Mark a point on the line (not in the middle) Leave some space on either side of the line P Click to start Step1 Home

Perpendicular Line from a Point A Aim: Construct a line at 90º through a point on a line Compass point P Mark an arc on both sides of point P Step1 Home

Perpendicular Line from a Point A Aim: Construct a line at 90º through a point on a line Compass point P Mark an arc on both sides of point P Step1 Home

Perpendicular Line from a Point A Aim: Construct a line at 90º through a point on a line Compass point P Mark an arc on both sides of point P Step1 Home

Perpendicular Line from a Point A Aim: Construct a line at 90º through a point on a line Compass point P Mark an arc on both sides of point P Step1 Home

Perpendicular Line from a Point A Aim: Construct a line at 90º through a point on a line Compass point P Mark an arc on both sides of point P Step1 Home

Perpendicular Line from a Point A Aim: Construct a line at 90º through a point on a line Compass point P Mark an arc on both sides of point P Step1 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line P Compass point Set compass to ¾ the length of the arc Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line P Compass point Set compass to ¾ the length of the arc Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line Keep the compass the same P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line Keep the compass the same P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line Keep the compass the same P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line Keep the compass the same P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line Keep the compass the same P Compass point Arc into space each side of the line Step1 Step2 Home

Perpendicular Line from a Point C Aim: Construct a line at 90º through a point on a line Keep the compass the same P Arc into space each side of the line Compass point Step1 Step2 Step3 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line Keep the compass the same P Arc into space each side of the line Compass point Step1 Step2 Step3 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line Keep the compass the same P Arc into space each side of the line Compass point Step1 Step2 Step3 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line P Arc into space each side of the line Compass point Step1 Step2 Step3 Home

Perpendicular Line from a Point D Aim: Construct a line at 90º through a point on a line Use a ruler to join this point P With this point Step1 Step2 Step3 Home

Perpendicular Line from a Point Aim: Construct a line at 90º through a point on a line Perpendicular Line This should be 90º P 90º P Step1 Step2 Step3 The End Home