3.21-3.23 Ellipse

What is an ellipse in AutoCAD similar to?

• A straight line.

• A stretched circle.

• A perfect square.

• A polygon.

Arrange the following steps in the correct order to draw an ellipse:

• Specify first axis endpoint of ellipse

• Specify the center point

• Type "EL" or press the "Ellipse Button"

• Specify second axis endpoint of ellipse

In AutoCAD, the ellipse modifiers function as follows: "​ (a)   " creates an elliptical arc; "​ (b)   " establishes an ellipse using a center point, factoring in the endpoint of the first axis and the length of the second axis; and "​ (c)   " produces an ellipse that seems to rotate a circle around the first axis.

• A
• C
• R
• P
• E
• D

Pair the misconception with its correct solution.

• How do I set the ellipse's center point?

• Your ortho mode is activated. Deactivate it by pressing F3/

• I can't find the ellipse arc option.

• he ellipse arc option is located under the ellipse button; click the triangle next to the button to reveal the drop down menu in the ribbon.

• Why is my elliptical arc only 90 degrees

• You can use the ellipse tool that allows for drawing with three axis points.

The shortcut used for the ellipse command is __?

Match the case studies to their descriptions.

• Kepler's Planetary Motion

• U.S. Capitol's Statuary Hall where elliptical acoustics let sound travel

• Whispering Galleries

• Known for its grandeur and architectural prowess with an elliptical shape.

• The Colosseum

• Planets orbit in ellipses with the sun at a focus

The two fixed points on the major axis of an ellipse are called ____.

Drag the appropriate labels to identify the ellipse components.

c

d

e

f

Minor Axis

Major Axis

Center

Radius

Diameter

Focus

Which button do you choose to draw an ellipse?

• 
• 
• 
• 

Reflecting on your initial understanding of the ellipse tool to now, how would you rate your progress?

• Significant improvement

• Moderate improvement

• Mild improvement

• No change

• I feel more confused now