Triangles
Angles
Shapes
Polygons
???
100
Right triangle
A triangle with a right angle
100
Acute angle
A angle that is less than 90
100
Octagon
8 sided polygon
100
Nonagon
9 sided polygon
200
Reflex angle
An angle more than 180 but less than 360
200
Trapezoid
2 equal sides and the others are not
200
What is the definition of a regular polygon
All angles and sided are equal
200
Polygon
A plane shape with straight sides
300
Scalene triangle
No equal sides and angles
300
Scalene triangle
No equal sides or angles
300
Kite
4 sided flat shape
300
What is the definition of decticon
10 sided shape
300
Quadrilateral
Flat shape with 4 straight sides
400
Obtuse triangle
A triangle with an angle grater than 90
400
Vertical angles
Angles opposite from each other
400
Convex
Curved in words
400
What is the definition of heptagon
A 7 sided polygon
400
Rhombus
4 sided flat shape with straight sides
500
What is the definition of an isosceles triangle
Triangle with 2 different sides
500
Adjacent angle
Common side, common vertex
500
Concave
Curved in words
500
Dodecagon
12 sided polygon
500
Parallelogram
Opisite sides are parallel
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