Perpendicular Line from a Point

Aim: Construct a line at 90º through a point near a line

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Step1

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

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Perpendicular Line from a Point A

Compass point

Set your compass to reach over the line so the arc will cut twice

Aim: Construct a line at 90º through a point near a line

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Step1 Home

Perpendicular Line from a Point

Compass point

Set your compass to reach over the line so the arc will cut twice

Aim: Construct a line at 90º through a point near a line

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Step1 Home

Perpendicular Line from a Point

Compass point

Aim: Construct a line at 90º through a point near a line

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Move your compass to one side

Step1 Home

Perpendicular Line from a Point

Compass point

Aim: Construct a line at 90º through a point near a line

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Step1 Home

Perpendicular Line from a Point

Compass point

Aim: Construct a line at 90º through a point near a line

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Step1 Home

Perpendicular Line from a Point

Compass point

Aim: Construct a line at 90º through a point near a line

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Step1 Home

Perpendicular Line from a Point B

Aim: Construct a line at 90º through a point near a line

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Step1 Step2 Home

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Perpendicular Line from a Point

Aim: Construct a line at 90º through a point near a line

Keep the compass the

same

Step1 Step2 Home

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Perpendicular Line from a Point

Compass point Arc into space

each side of the line

Aim: Construct a line at 90º through a point near a line

Keep the compass the

same

Step1 Step2 Home

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Perpendicular Line from a Point

Compass point Arc into space

each side of the line

Aim: Construct a line at 90º through a point near a line

Keep the compass the

same

Step1 Step2 Home

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Perpendicular Line from a Point

Compass point Arc into space

each side of the line

Aim: Construct a line at 90º through a point near a line

Step1 Step2 Home

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Perpendicular Line from a Point

Compass point Arc into space

each side of the line

Aim: Construct a line at 90º through a point near a line

Step1 Step2 Home

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Perpendicular Line from a Point

Compass point Arc into space

each side of the line

Aim: Construct a line at 90º through a point near a line

Step1 Step2 Home

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Perpendicular Line from a Point C

Compass point

Arc into space each side of the

line

Keep the compass the

same

Aim: Construct a line at 90º through a point near a line

Step1 Step2 Step3 Home

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Perpendicular Line from a Point

Compass point

Arc into space each side of the

line

Keep the compass the

same

Aim: Construct a line at 90º through a point near a line

Step1 Step2 Step3 Home

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Perpendicular Line from a Point

Compass point

Arc into space each side of the

line

Keep the compass the

same

Aim: Construct a line at 90º through a point near a line

Step1 Step2 Step3 Home

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Perpendicular Line from a Point

Compass point

Arc into space each side of the

line

Aim: Construct a line at 90º through a point near a line

Step1 Step2 Step3 Home

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Perpendicular Line from a Point D

With this point

Use a ruler to join this point

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Aim: Construct a line at 90º through a point near a line

Step1 Step2 Step3 Home

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Perpendicular Line from a Point

This should be 90º

90º

Perpendicular Line

Step1 Step2 Step3 The End

Aim: Construct a line at 90º through a point near a line

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