3.12-3.14 ARCS

What key modifier reverses the direction of your arc in AutoCAD?

• Space

• Ctrl

• Alt

• Shift

Which AutoCAD command fills areas bounded by arcs with patterns?

• Polyline

• Hatch

• Circle

• Line

What does the radius of an arc represent in AutoCAD?

• The distance across the arc.

• The rotation needed to trace the arc.

• The distance from the arc's center to any point on its circumference.

• The direction of the arc's drawing.

Arrange the following in the correct order for drawing a three point arc in AutoCAD:

• Specify start point

• Specify the second point

• Specify the final point on the arc.

Match the following definitions to their terms

• Direction

• Specifies how much of a circle the arc covers.

• Angle

• Indicates whether the arc is drawn in a clockwise or counterclockwise manner.

• Radius

• The distance from the center of an arc to any point on its circumference.
  

Match the case studies with their descriptions:

• Roman Colosseum

• This is an iconic symbol of westward expansion in the US and is a massive, curved arch that visitors can ride to the top for panoramic views.

• St. Louis Gateway Arch

• This famous surrealist painting by Salvador Dalí features melting clocks and includes a distorted arc-like shape in the foreground.

• The Persistence of Memory

• This architectural marvel in Rome, Italy, is known for its structural stability and features a series of arches.

"​ (a)   " is the shortcut key for the arc command in AutoCAD.

• A
• R
• C
• AR

How can you modify the radius of an already drawn arc in AutoCAD?

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What portion of a full circle does a 90 degree arc in AutoCAD cover?

• One-quarter (1/4) of a full circle.

• One-half (1/2) of a full circle.

• Three-quarter (3/4) of a full circle.

• Ninety percent (90%) of a full circle.

In AutoCAD, which command is used to extend the most recently drawn arc?