2D 3D Geometry

How many sides does an Octagon have?

• 4

• 3

• 9

• 8

Which of these figures are considered polygons?

• a, b, c, d

• b, d, e, f

• a, b, c

• a, e, f

Is the figure a polygon? Is it convex or concave?

• Not a polygon, convex

• Polygon, convex

• Not a polygon

• Polygon, concave

This polygon is classified as ....

• a hexagon

• a heptagon

• an octogon

• a nonagon

A quadrilateral with four sides of equal length and four right angles is ________.

• square

• rectangle

• rhombus

• octagon

Is the figure a polygon? Is it convex or concave?

• Not a polygon, convex

• Polygon, convex

• Not a polygon

• Polygon, concave

Convex or Concave?

• convex

• concave

How many faces does the shape below have?

• 2

• 4

• 6

• 8

How many edges does the shape below have?

• 6

• 8

• 4

• 12

The lines of a 3D shape are called...

• edges

• outside

• faces

• vertices