Polygons Flashcards
A triangle has how many sides, angles and vertices?
3
A quadrilateral has how many sides, angles and vertices?
4
A pentagon has how many sides, angles and vertices?
5
A hexagon has how many sides, angles and vertices?
6
A heptagon has how many sides, angles and vertices?
7
An octagon has how many sides, angles and vertices?
8
A nonagon has how many sides, angles and vertices?
9
A decagon has how many sides, angles and vertices?
10
Congruent means….
same size and same shape
Similar means…
same shape but not the same size
A triangle with three congruent sides
equilateral triangle
A triangle with two congruent sides
isosceles triangle
A triangle with no congruent sides
scalene triangle
A triangle with one 90 degree angle
right triangle
A triangle with three angles less than 90 degrees
acute triangle