Plane Shapes

The BLUE DOT on the polygon is...

• a vertex

• a line segment

• an angle

What part is marked in YELLOW?

• line segments

• vertices

• angles

The part highlighted in yellow is...

• a vertex

• a line segment

• a vertex

Not a polygon because...

• it has curves

• it has straight lines

• it is NOT closed

The part highlighted in yellow shows...

• parallel lines

• angles

• vertices

Count the dots (the corners). How many corners does a pentagon have?

• 50

• 5

• 4

• 3

How many sides does a square have?

• 0

• 3

• 4

What is the name of this shape?

• square, with 4 sides

• circle, with no straight sides

• triangle, with 3 sides

How many corners does a triangle have? (Count the circles on each corner.)

• 5 corners (vertices)

• 4 corners (vertices)

• 3 corners (vertices)

• 30 corners (vertices)

Look at the shape. Does it have straight sides or corners?

• No, a circle is round.

• Do not click here.