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Degrees
Angles
Lines
Other 1
Other 2
100
How many degrees are in a RIGHT angle?
90 degrees
100
an angle that measures EXACTLY 90 degrees
right angle
100
a piece of a line that has a starting point and an ending point
line segment
100
Geometric figures that have the same size and shape, or lines segments that have the same length are ____________.
congruent
100
What do you call a "four-sided figure?"
quadrilateral
200
How many degrees are in a TRIANGLE or a "three-sided figure?"
180 degrees
200
an angle that measures LESS than 90 degrees
acute
200
a line that has a starting point, but extends forever in ONE direction
ray
200
a decimal that has no end, or goes on "forever"
repeating decimal
200
What do you call an "eight-sided figure?"
octagon
300
How many degrees are in a quadrilateral, or "four-sided figure?"
360 degrees
300
an angle that measures MORE than 90 degrees,but less than 180 degrees
obtuse
300
a pair of lines that intersect to form at least one RIGHT angle
perpendicular lines
300
The greatest factor that two or more numbers have in common.
GCF (greatest common factor)
300
a fraction in which the numerator is LESS than the denominator
proper fraction
400
When a pair of angles' measures add up to 90 degrees they are called ____________ angles.
complementary
400
an angle that measures EXACTLY 180 degrees
straight
400
lines that lie in the same plane and NEVER intersect, or cross
parallel lines
400
The measure, in square units, of the interior of a plane figure. **can be found by multiplying (length x width)
area
400
a fraction in which the numerator is GREATER than, or equal to, the denominator
improper fraction
500
When a pair of angles' measures add up to 180 degrees, they are called _________________ angles.
supplementary
500
The pair of angles with the same vertex on OPPOSITE sides of two intersecting lines. *These angles are congruent.
vertical angles
500
a line that intersects two or more other lines
transversal
500
the magnitude of an expression, or the distance away from 0 that a number falls on a number line
absolute value
500
The distance around a closed 2-dimensional figure or shape.
perimeter