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Perpendicular line Construction

Published byLucy Baker Modified over 6 years ago

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Presentation on theme: "Perpendicular line Construction"— Presentation transcript:

1 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

2 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

3 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

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

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

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

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

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

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

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

11 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

12 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

13 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

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

15 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

16 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

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

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

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

20 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

21 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

22 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

23 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

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

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

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

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

28 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

29 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

30 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

31 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

32 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

33 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

34 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

35 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

36 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

37 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

38 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

39 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

40 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

41 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

42 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

43 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

44 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

45 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

46 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

47 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

48 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

49 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

50 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

51 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

52 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

53 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

54 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

55 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

56 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

57 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

58 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

59 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

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