Who am I?
missing angles
sum of interior angles
Angle Relationships
Angle Definitions
100
I have all right angles, opposite sides are parallel and congruent. What am I?
rectangle or square
100
A triangle has these angles: 60 and 60. What is the 3rd angle?
60
100
What is the formula for the sum of the interior angles
(n-2)180
100
In the transversal, what is the relationship between angle 1 and angle 8?
alternate exterior
100
angles that add up to 90 degrees
complementary
200
I have opposite congruent angles, opposite sides are parallel and congruent. What am I?
parallelogram
200
A pentagon has these angles: 108, 65, a right angle, and 147. What is the fifth angle measurement?
130
200
What is the sum of the interior angles for a triangle
180
200
In the transversal, what is the relationship between angle 3 and angle 6?
alternate interior
200
angles that add up to 180 degrees
supplementary
300
I have all sides congurent, opposite sides are parallel and opposite angles are congruent. What am I?
rhombus
300
A parallelogram has these angles: 113 and 113. What are the other 2 angles?
67 and 67
300
What is the sum of the interior angles for a quadrilateral
360
300
In the transversal, what is the relationship between angle 6 and angle 2?
corresponding
300
angles that are less than 90 degrees
acute
400
I have exactly one pair of parallel sides. What am I?
trapezoid
400
A heptagon has these angles: 150, 89, 77, 162, 115, 187. What is the 7th angle measurement?
120
400
What is the sum of the interior angles for an octagon
1080
400
In the transversal, what is the relationship between angle 8 and angle 7?
supplementary
400
angles that are next to each other are called this
adjacent
500
What are 3 things that determine if a polygon is a polygon?
3 or more sides line segments (no curves) closed shape
500
What is the measurement of the interior angles of a regular decagon?
144
500
What is the sum of the interior angles for a 15-sided polygon
2,340
500
In the transversal, what is the relationship between angle 7 and angle 6?
vertical
500
What is the line that cuts across parallel lines?
transversal
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