1. What is a geometric constraint?
A geometric constraint is a constraint on the shape of the object.

2. What are the different types of geometric constraints that are applied to sketches, and what are their functions?

Coincident; make the item go through a certain point.
Collinear; makes the items ly on the same line.
Concentric; makes the items have the same starting point.
Fix; makes items relative to coordinate points.
Parallel; make the items match but not on top of each other,
Perpendicular; make the items cross each other.
Horizontal; make the items horizontal.
Vertical; make the items vertical.
Tangent; makes curves match other curves.
Smooth; smoothes out bumpy curves
Symmetric; making the items match.
Equal; makes the same item.

3. How is a geometric constraint different from a numeric constraint?
A geometric constraint changes the shape while a numeric constraint changes dimensions.

4. What types of numeric constraints may be applied to sketches?
Numeric constraints that may be applied to sketches are length, height, width,spacing, & radius.

5. What advantages do CAD sketches have over freehand sketches?
CAD sketches have the advantages of preciseness over freehand sketches.

6. What disadvantages do CAD sketches have over freehand sketches?
Disadvantages CAD sketches have over freehand sketches is that it is a lot harder and easier to make a mistake because of the overall complexity.