Types of Triangles
Types of Angles
Types of lines
Polygon Names
Hodge Podge
100
A triangle that has all sides the same length
What is an equilateral triangle?
100
An angle that measures less than 90 degrees.
What is an acute angle?
100
A line that extends forever in one direction and has one endpoint.
What is line ray?
100
A polygon with 4 sides.
What is a quadrilateral?
100
A type of symmetry that describes when shapes are turned on their centerpoint and look the same as the original shape before a complete turn.
What is rotation symmetry?
200
A triangle that has all sides of different lengths
What is a scalene triangle?
200
An angle that measures 180 degrees.
What is a straight angle?
200
This is referred to as part of a line.
What is a line segment?
200
A polygon with 8 sides and 8 vertices.
What is an octagon?
200
A type of symmetry that can be called line symmetry. It might also be known as a mirror image.
What is reflection symmetry?
300
A triangle with two sides of the same length and one side of a different length
What is an isosceles triangle?
300
An angle that measures exactly 90 degrees.
What is a right angle?
300
This object extends forever in both directions.
What is a line?
300
A polygon with 5 sides and 5 vertices.
What is a pentagon?
300
A pattern using geometric shapes that is repeated without gaps or overlaps.
What is tesselation or tiling?
400
A triangle that has one angle measuring more than 90 degrees and two angles that each measure less than 90 degrees.
What is an obtuse triangle?
400
An angle that measures more than 90 degrees but less than 180 degrees.
What is an obtuse angle?
400
A pair of lines extended forever but they will never intersect.
What is parallel lines?
400
A polygon with 10 sides and 10 vertices.
What is a decagon?
400
A quadrilateral that has only one pair of parallel sides.
What is a trapezoid?
500
A triangle that has side lengths of 7 inches, 5 inches, and 3 inches.
What is a scalene triangle?
500
An angle that measures more than 180 degrees but less than 360 degrees.
What is a reflex angle?
500
Lines that intersect to form right angles
What is perpendicular lines?
500
A polygon with 12 sides and 12 vertices.
What is a dodecagon?
500
A quadrilateral that has two pairs of parallel sides.
What is a parallelogram?
M
e
n
u