Quadrilaterals
n-gons
Angles, Lines and Rays
Geometry Terms
More Terms
100
What is a quadrilateral with sides that are the same length and has 4 right angles?
a square
100
What is a polygon with three equal length sides called?
an equilateral triangle
100
What is an angle that measures 90 degrees?
a right angle
100
What is the endpoint called where the rays or segments in an angle meet?
the vertex
100
What is the vertex in >TGB?
G
200
What is the a quadrilateral that has sides that are the same length but does not have right angles?
a rhombus OR a parallelogram
200
What is a 5 sided polygon called?
a pentagon
200
What is a straight path that has one starting point and goes on forever in one direction?
a ray
200
What is the unit of measure for an angle called?
degree
200
What are two names for a parallelogram that has all sides the same length, but is not a rectangle?
square, rhombus
300
What is a quadrilateral that has four right angles called?
a rectangle OR a square
300
What is an 8 sided polygon called?
an octagon
300
What is a straight path that goes on forever in both directions?
a line
300
What is an angle whose sides form a straight path?
a straight angle
300
What is the name of an angle that is less than 90 degrees?
acute
400
What is a quadrilateral that has only adjacent sides the same length and does not have right angles.
a kite
400
What is a 10 sided polygon called?
a decagon
400
What is made up of 2 points and the straight path between them?
a line segment
400
What is it called when two line segments, lines or rays cross?
intersect
400
What is the name of an angle that is greater than 90 degrees, but less than 180 degrees?
obtuse
500
What is a quadrilateral that only has one set of parallel sides?
a trapezoid
500
What is a 12 sided polygon called?
a dodecagon
500
What is formed by 2 rays or 2 line segments that share an endpoint?
an angle
500
What is it called when lines, line segments or rays cross at a 90 degree angle?
perpendicular
500
What is the name of an angle that is greater than 180 degrees, but less than 360 degrees?
reflex
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