Geometry Chapter 4 Review Flashcards

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Questions and Answers

What are the options for responding to the prompt Specify radius of circle when using the CIRCLE command?

Enter a value for the location of the circle's center and then a value for the radius of the circle.

How do you create a circle with a diameter of 2.5 units?

Access the Center, Diameter option, then enter the circle center and the value for the diameter.

What option of the CIRCLE command creates a circle of a specific radius that is tangent to two existing objects?

2P (2 Point)

What is the definition of the term point of tangency?

The point shared by tangent objects. Signup and view all the answers

How do you draw a circle tangent to three objects?

Select the 'Tan, Tan, Tan' option. Hover over the first line, arc, or circle and select the first point of tangency, then repeat with the second and third objects. Signup and view all the answers

What is the procedure to draw an arc beginning with the center point and having a 60° included angle?

Select the 'Start, Center, Angle' option, choose your start point, your center point, and then input the included angle. Signup and view all the answers

What is the definition of included angle as it applies to an arc?

The angle formed between the center, start point, and endpoint of an arc. Signup and view all the answers

What is the default option if you enter the ARC command at the keyboard?

It will prompt: Specify start point of arc or center. Signup and view all the answers

List three input options that can be used to draw an arc tangent to the endpoint of a previously drawn arc.

Continue Option Signup and view all the answers

What are the two axes found on an ellipse?

Major Axis and Minor Axis Signup and view all the answers

Describe the procedure to draw an ellipse using the Axis, End option.

Choose the 'Axis, End' option to specify the first endpoint of an axis, then the second endpoint of the same axis, and finally one endpoint of the second axis. Signup and view all the answers

What ELLIPSE rotation angle results in a circle?

0 degrees Signup and view all the answers

How do you draw a filled arrow using the PLINE command?

Enter different values for the starting and ending widths. Signup and view all the answers

Which PLINE option allows you to specify the width from the center to one side?

Halfwidth option Signup and view all the answers

How do you turn off FILL mode?

Type: 'FILL' or 'FILLMODE' and use the on or off option. Signup and view all the answers

How do you create a polyline parallel to a previously drawn line or polyline?

Access the PLINE command and pick a start point, choose the LENGTH option, and specify the length. Signup and view all the answers

How do you draw a hexagon measuring 4 (102 mm) across the flats?

Access the POLYGON command, choose 6 sides, select Inscribed or Circumscribed, indicate location, and give it a radius of 2'. Signup and view all the answers

Name at least three commands you could use to create a rectangle.

RECTANGLE, RECTANG, REC Signup and view all the answers

What command option is used to draw rectangles with rounded corners?

Fillet Signup and view all the answers

What command option is designed for drawing rectangles with a specific line thickness?

Width Signup and view all the answers

How do you draw a rectangle at an angle other than 0?

After picking the first corner, use the Rotation option and specify the angle to rotate from the default of 0 degrees. Signup and view all the answers

What is a method for drawing a solid circle?

Activate the DOUNT command and enter a value of 0 for the inside diameter. Signup and view all the answers

Name the command you can use to create a true spline.

SPLINE Signup and view all the answers

How do you accept the AutoCAD defaults for the start and end tangents of a spline?

Select 'Enter'. Signup and view all the answers

Study Notes

CIRCLE Command Options

To specify the radius of a circle, enter values for the center location followed by the circle's radius.
Create a circle with a diameter of 2.5 units using the Center, Diameter option; input the center point and the diameter value.

Tangent Circles

The 2P (2 Point) option of the CIRCLE command creates a circle that is tangent to two existing objects.
The point of tangency is where two tangent objects share contact.

Drawing Circles and Arcs

To draw a circle that is tangent to three objects, select the 'Tan, Tan, Tan' option, highlight the objects, and select the tangency points.
To draw an arc starting with a center point and a 60° included angle, choose 'Start, Center, Angle,' specify the start point, center point, and included angle.

Arc Definitions

The included angle in an arc is the angle formed between the center, start point, and endpoint.
The default prompt for the ARC command is to specify the start point or center of the arc.

Arc Commands and Options

Three input options to draw an arc tangent to a previous arc include the Continuation Option.

Ellipse Details

Ellipses consist of a Major Axis and Minor Axis.
Drawing an ellipse using the Axis, End option involves specifying the endpoints for both axes.

Circle and Ellipse Properties

A rotation angle of 0 degrees for an ELLIPSE results in a circle.

Polyline Creation

A filled arrow can be drawn using the PLINE command by entering different starting and ending widths.
The Halfwidth option allows width specification from the center to one side of a polyline.

Fill Mode and Polylines

To turn off FILL mode, use the command 'FILL' or 'FILLMODE' with options to set it on or off.
To create a polyline parallel to another, utilize the Length option with the PLINE command.

Shape Drawing Techniques

To draw a hexagon measuring 4 (102 mm) across the flats, use the POLYGON command, select six sides, choose Circumscribed, then define the location and radius of 2 inches.
Commands for creating rectangles include RECTANGLE, RECTANG, and REC.

Rectangle Features

The Fillet command option allows for drawing rectangles with rounded corners.
For a rectangle with specific line thickness, use the Width option.

Rotating and Solid Shapes

To draw a rectangle at an angle, select the first corner and specify the desired rotation angle after activating the rectangle command.
Create a solid circle by using the DOUNT command with an inside diameter of 0.

Spline Creation

Use the SPLINE command to create a true spline and accept AutoCAD default tangents by simply selecting 'Enter.'

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Description

Test your knowledge with these flashcards covering Chapter 4 in Geometry. The questions focus on using commands to create circles and understanding their properties. Perfect for reinforcing your understanding of circle construction and terminology.