2D Shapes Review!

How many sides does a Decagon have?

• 12
• 9
• 10
• 11

What makes a polygon a regular polygon?

• Must have at least two congruent sides
• All sides and angles must be congruent
• Must have at least one pair of parallel sides
• Opposite sides and angles are congruent

How many sides does a quadrilateral have?

• 4
• 5
• 6
• 7

How can triangles be classified?

• By the number of sides it has
• By the number of angles it has
• By the measurement of its sides and angles
• By the surface area it covers

What is a property of a Trapezoid?

• At least two pairs of parallel lines
• Opposite angles are congruent
• At least one right angle
• At least one pair of parallel lines

Identify all the types of quadrilaterals shown below:

• parallelogram, trapezoid, rectangle, square
• square, rectangle, pentagon, trapezoid, parallelogram, rhombus
• rhombus, parallelogram, square, trapezoid, rectangle
• quadrilateral, triangle, hexagon, pentagon, octagon 

Which of the following statements is ALWAYS true?

• An isosceles triangle is always an equilateral triangle. 
• A trapezoid is always a parallelogram. 
• A polygon is always convex. 
• A square is always a rectangle. 

What are the different types of triangles?

• isosceles, scalene, right, acute, obtuse, equilateral 
• isosceles, scalene, acute, obtuse
• isosceles, scalene, right, actue
• isosceles, scalene, right, obtuse, equilateral

Name the following figure:

• Nonagon
• Decagon
• Octagon
• Dodecagon

Name the following figure:

• Decagon
• Dodecagon
• Hexagon
• Star