Several types of construction lines and circles are available.

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Construction- Ang ular Line

1. Select a point through which the construction line will pass. Select a second point, or enter the slant in the Inspector Bar.
2. The construction line is created, with the properties assigned to the construction layer.

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Construction- Hor izontal Line, Vertical Line

1. Select the point through which the construction line will pass.
2. Continue creating construction lines of the same type, and select Finish when done.

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Construction- Pa rallel

1. Select the line to which the construction line will be parallel. You can also select a construction line.
2. Select a point through which the construction line will pass, or enter the offset in the Inspector Bar. Tip: To make multiple construction lines separated by the same distance, lock the Offset field in the Inspector Bar, and create parallel lines from each successive line.

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Construction- Perp endicular

1. Select the line to which the construction line will be perpendicular. You can also select a construction line.
2. Select a point through which the construction line will pass.

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Construction- C enter and Point Circle

Creates a construction circle by defining its center and a point on its circumference.

1. Select the circle centerpoint. Move the cursor to begin to size the circle.
2. Click to create the circle, or enter the radius, diameter, or circumference in the Inspector Bar.

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Construction- Dou ble Point Circle

Creates a construction circle by defining two opposite points on its circumference.

1. Select a point on the circle circumference.
2. Select the point on the opposite end of the diameter line, or enter the radius, diameter or circumference, and angle of the diameter line in the Inspector Bar.

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Construction- Tripl e Point Circle

Creates a construction circle that passes through three points.

1. Select the first point on the circumference.
2. Select the second point.
3. Select the third point.

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Construction- Perpendicular by Line

Creates a construction line perpendicular to a line defined by two points. Start with two circles, We will create a construction line halfway between the centers of the two circles perpendicular to the axis between the two centers.

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