So you think you know about 2D shapes...

I am a quadrilateral with 4 sides of equal length and 4 right angles.

• square

• rectangle

• rhombus

• trapezium

I have 3 vertices. All my angles are different sizes but they add to 180 degrees. What type of triangle am I?

• Equilateral

• Scalene

• Isosceles

• Right angle.

I have 3 vertices. Each of my angles are 60 degrees. What type of triangle am I?

• Scalene

• Isosceles

• Right angle

• Equilateral

I have 5 sides and all my sides and angles are the same. What am I?

• Regular pentagon

• Irregular octagon

• Irregular pentagon

• Scalene triangle

I have seven sides but all my angles and sides are not equal. What am I?

• Regular octagon

• Irregular heptagon

• Regular heptagon

• Irregular hexagon

I'm a quadrilateral. I have a pair of parallel sides.

• Parallelogram

• Rhombus

• Square

• Trapezium

I have 4 sides. 2 pairs of parallel sides. 4 sides of equal length. I'm also called a diamond. I have 2 acute angles and 2 obtuse. My diagonally opposite angles are equal.

• Square

• Rectangle

• Rhombus

• Kite

I have one curved side. My diameter is different when you measure across from one side to the other.

• Circle

• Oval

• Sphere

I have one curved side. If you measure from any side to any other side, the diameter will always be the same.

• Oval

• Circle

• Sphere

I am a quadrilateral. Opposite sides are equal length. I have 2 pairs of parallel sides. My diagonally opposite angles are equal.

• Parallelogram

• Rhombus

• Square

• Kite