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Polygons - Coggle Diagram
Polygons
Pentagon
Five sides
Five angles
Five vertices
The angles add up to 540 degrees, so each angle must be
180 degrees
Triangle
Equilateral
All three sides are the same length
Each angle is equal
Regular
Isoceles
Two sides are the same length
Irregular
Scalene
Al sides measure different lengths
Right angle triangle
A triangle with a right angle in it
Regular
Only quadrilaterals
All sides are equal
All angles are equal
Irregular
Different angles
Different side lengths
Quadrilaterals
Parallelogram
Rectangle
All angles are right angles
Two pairs of parallel lines
Square
All sides are the same length
All four angles are right angles
Two pairs of parallel lines
A quadrilateral with two pairs of parallel sides
Rhombus
2 pairs of parallel lines
4 equal sides
Trapezium
One pair of parallel lines
The non-parallel lines can be different lengths
Hypotenuse
The side opposite the right angle in a triangle
