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100
Two angles whose sum is 90°
What is complementary angles
100
Two angles whose sum is 180 degrees
What is supplementary angle
100
How many degrees are in a triangle?
180
100
100
What is the definition of segment bisector?
A segment bisector is a segment that bisects (cuts) another segment into 2 equal parts.
100
100
100
200
200
x=13
200
True or false: Complementary angles always add up to 180
False
200
x=89
200
True or false: Angle bisectors create 2 congruent angles.
True
200
a=22
200
200
x=50
300
Two angles directly across from each other when two lines intersect
What is vertical
300
Two lines that intersect to form a right angle
What is perpendicular
300
True or false: Supplementary angles always add up to 180
True
300
x=40
300
y=-4x-7
300
300
300
Write an inequality to describe the possible values of x.
-2<x<4
400
400
AAS
400
y=20
400
400
400
x=18
400
X=60
400
x=35
500
500
Acute
500
500
m=3
500
500
x=10
500
500
X=73.5
600
600
x=28
600
600
e=29
600
600
m=53
600
a=92
600
700
Angle whose measure is 90°
What is right angle
700
Two angles whose sum is 90°
What is complementary angles
700
Two angles whose sum is 180 degrees
What is supplementary angles
700
Two angles directly across from each other when two lines intersect
What is vertical
700
Two angles who share a side and a vertex and don't overlap
What is adjacent angles
700
Two lines that intersect to form a right angle
What is perpendicular
700
Two lines that are perpendicular to the same line
What is parallel
700
Two lines that intersect to form a right angle
What is perpendicular
800
Two angles that share a side and together form a line
What is linear pair
800
When two lines are cut by a transversal, both angles are inside the two lines but are on opposite sides of the transversal
What is alternate interior angles
800
A triangle with all sides different lengths
What is scalene
800
A triangle with all angles having a measure less than 90 degrees
What is acute triangle
800
A triangle with a least two sides the same length
What is isosceles
800
An angle formed when a side of a triangle is extended outside the triangle
What is exterior angle
800
The measure of a third angle of a triangle when one angle is 42 degrees and another is 90 degrees
What is 48 degrees
800
A ray that shares a vertex with an angle and divides the angle into two congruent angles
What is an angle bisector
900
The segment from a vertex of a triangle perpendicular to the opposite side
What is altitude
900
A segment perpendicular to a side of a triangle that passes through the midpoint of the segment.
What is a perpendicular bisector
900
A segment from the vertex of a triangle to the midpoint of the opposite side
What is a median
900
The slope of a line that is perpendicular to a line with a slope of 3.
What is -1/3
900
Two triangles that have exactly the same size and shape
What is congruent
900
Triangle ABC is an isosceles triangle where AB= BC,
AB = 3x +6, BC = 4x + 3, and AC =20, then AB has what measure?
What is 15
900
The slope of a line that is parallel to a line with a slope of -2 .
What is -2
900
If triangle ABC has the following measurements: angle A = 4x, angle B = 3x-20, and angle C= x+40, then Angle B has what measure?
What is 40