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2-D Shapes

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  • What type of triangle is this?
    Scalene
  • Does a parallelogram have 4 acute angles? Yes or No?
    No
  • How many pairs of parallel sides does an octagon have?
    4
  • Is this shape regular or irregular?
    Irregular
  • A pentagon has 5 sides - True or False?
    True!
  • Angles in a pentagon are always obtuse - True or False?
    True
  • What 2-D shape can be found in this picture?
    Hexagon
  • What is the name of a quadrilateral with four equal sides and four right angles?
    Square
  • Is this shape regular or irregular?
    Irregular
  • What do you call an angle that is less than 90 degrees?
    Acute angle
  • What is a triangle where all the sides are different lengths called?
    Scalene
  • How can you identify an isosceles triangle?
    If only two sides of a triangle are the same length
  • What 2-D shape can be found in this picture?
    Rectangle
  • Name three shapes that are quadrilaterals?
    Square, Rectangle, Rhombus, Parallelogram or Trapezium
  • What type of triangle is this?
    Equilateral
  • What type of triangle is this?
    Isosceles
  • What 2-D shape can be found in this picture?
    Circle
  • If one angle of a triangle is 90 degrees, what type of triangle is it?
    A right angle triangle
  • What do you call a 2-D shape with four sides of equal length and no right angles?
    A Square
  • Can polygons have curved lines? Yes or No?
    No
  • How do you know this is an equilateral triangle?
    All the sides are the same length
  • Can you name a shape with an acute angle?
    Triangle, rhombus, parallelogram
  • What is a polygon with five sides called?
    Pentagon