Triangles & Quadrilaterals - Practice 1

What is a polygon?

• A closed figure made up of straight line segments
• An open figure made up of straight line segments
• A closed figure made up of curved edges
• An closed figure made up of crossed line segments

Polygon or non-polygon?

• Polygon
• Non-Polygon

Polygon or Non-Polygon?

• Polygon
• Non-Polygon

How many sides does a pentagon have?

• 3
• 7
• 5
• 10

How many sides does a decagon have?

• 12
• 11
• 9
• 10

A hexagon is a polygon with...

• 6 sides. 
• 5 sides.
• 7 sides. 

Name the polygon with seven sides.

• dodecagon
• octagon
• heptagon
• hexagon

Which word means equal in size and shape?

• polygon
• similar
• congruent
• detailed

A polygon has to have

• at least two sides
• at least three sides
• four or more sides
• no sides

Classify each triangle by its angles and sides.

• equilateral

• right isosceles

• acute scalene

• right scalene