A shape that has two dimensions (width and height) but no thickness.
What is a 2D (TWO DIMENSIONAL) SHAPE?
100
A five sided shape.
What is a PENTAGON?
100
A shape with three sides and three interior angles.
What is a TRIANGLE?
100
A shape that looks like an egg.
What is an OVAL?
Yes, it's true - this is the proper defintion of an oval!
100
An artist who is world famous for optical illusions and mathematical art.
Who is MC ESCHER?
200
A 90 degree angle.
What is a RIGHT ANGLE?
200
Any shape with four sides.
What is a QUADRILATERAL?
200
A triangle with one right angle.
What is a RIGHT ANGLED TRIANGLE?
200
A shape that has four equal sides, four internal right angles and is also a rectangle.
What is a SQUARE?
200
The shape of honeycomb.
What is a HEXAGON?
300
The point where the sides of a 2D shape meet (a corner point).
What is a VERTEX?
300
Any shape with three or more sides.
What is a POLYGON?
Bonus $100.00: if you can name a 2D shape that is not a polygon.
300
A triangle with three sides of the same length and three interior angles which are the same.
What is an EQUILATERAL TRIANGLE?
300
The distance around the perimeter (edge) of a circle.
What is CIRCUMFERENCE?
Bonus $100.00 for telling us what the radius or the diameter of a circle is.
300
A repeating pattern of shapes covering a surface without holes or gaps.
What is a TESSELLATION?
400
Two lines that are the same distance apart (they do not intersect).
What is a PARALLEL LINE?
400
A shape with nine sides.
What is a NONAGON or an ENNEAGON? (Either is ok!).
400
A triangle with two sides of the same length and two interior angles which are the same.
What is an ISOCELES TRIANGLE?
400
Picture answer.
What is a PARRELLOGRAM?
Bonus $50.00 if you can tell me whether a rectangle is a parallellogram.
400
A thing that is both a 2D shape and flies.
What is a KITE?
500
An imaginary line where you can fold a 2D shape and both halves will meet exactly.
What is A LINE OF SYMMETRY?
500
Any 2D shape where all the sides and all of the interior angles are the same.
What is a REGULAR POLYGON?
Bonus $50.00: for an example.
500
A triangle where all the sides are different lengths and all of the interior angles are different.
What is a SCALENE TRIANGLE?
500
A shape made by drawing a curve that is always the same distance from the centre point.
What is a CIRCLE?
500
There are 25 shapes in a box. 3 out of 5 shapes have three sides. How many shapes are triangles?
This is not a what is question - it just needs and answer.