Names of Shapes
Angles
Triangles
Geometry Terms
Bigger shapes!
100
I have six sides.
What is a hexagon?
100
180 degree angle.
What is a straight angle?
100
All sides are equal length.
What is an equilateral triangle?
100
When two lines or rays meet at one vertex this is formed.
What is an angle?
100
This polygon has 10 sides.
What is a decagon?
200
I have 8 sides.
What is an octagon?
200
A 90 degree angle.
What is a right angle?
200
Two sides are the same length.
What is an isosceles triangle?
200
This word means having the exact same size and the exact same shape.
What is congruent?
200
This polygon has 12 sides.
What is a dodecagon?
300
I have 4 sides and only two of my sides are parallel.
What is a trapezoid?
300
An angle that is less than 90 degrees.
What is an acute angle?
300
All sides are different lengths.
What is a scalene triangle?
300
This is the unit used to measue the size of an angle.
What is a degree?
300
This polygon has 7 sides.
What is a heptagon?
400
I have three sides and they are all different lengths.
What is a scalene triangle?
400
An angle that is more than 90 degrees but less than 180 degrees.
What is an obtuse angle?
400
One of my angles is 90 degrees.
What is a right angled triangle?
400
This is the name given to a closed shape with straight sides that does not have all sides equal or all angles equal.
What is an irregular polygon?
400

This quadrilateral is the only one that does not meet the shape properties of a square.

What is a kite? 

500
I have four sides. They are all the same length. All opposite sides are parallel but I have no right angles at all!
What is a rhombus?
500
An angle that is more than 180 degrees but less than 360 degrees.
What is a reflex angle?
500
You cannot make a triangle with two of these types of angles in it.
What is obtuse or what is reflex?
500
If a figure or shape has this attribute then it can be divided into two parts have the exact same size and shape.
What is symmetry?
500
This three-dimensional shape has one single base and all the side faces are triangles that meet at a common vertex.
What is a pyramid?
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