You can Trim entities using this command.

1.

Click  button on the toolbar, or click Tools > Sketch Tools >Trim.

2.

Select the Trim Type to Power Trim.

3.

Select the entities to be trimmed.

·   Power Trim –Trim multiple, adjacent sketch entities by dragging the pointer across each sketch entity. Power Trim extends sketch entities along their natural paths.

<Before Power Trim>            <After Power Trim>

·   Corner Trim - Extends or trims two sketch entities until they intersect at a virtual corner.     

<Before Corner Trim>           <After Corner Trim>