Vocabulary
Classify Angles
Classify Triangles
Complementary and Supplementary Angles
Vertical and Adjacent Angles
100
Two lines that cross over at one common point.
Intersecting Lines
100
Acute Angle
100
Acute
Scalene
100
Find the missing angle measure
28o
100
Vertical angles are always...
Across from each other
Congruent
200
Two angles where the sum of their measures is 90o
Complementary Angles
200
Obtuse Angle
200
Acute
Equilateral
200
Find the missing angle measure
15o
200
What is the sum of these angles? What types of angle pair is this?
60o ; adjacent angles
300
Angles that have the same vertex, share a common side, and do not overlap.
Adjacent Angles
300
Right Angle
300
Obtuse
Isosceles
300
Find the missing angle measure
103o
300
What is the value of x?
x = 19
400
Two angles where the sum of their measures is 180o
Supplementary Angles
400
How many degrees are there in an obtuse angle?
More than 90, less than 180
400
Right
Scalene
400
What kind of angle pair has the sum of 180o?
Supplementary Angles
400
Solve for y
y = 9
500
Opposite angles formed by the intersection of two lines. Angles are congruent.
Vertical Angles
500
How many degrees are in a straight angle?
180o
500
Obtuse
Scalene
500
What kind of angle pair has the sum of 900?
Complementary Angles
500
Solve for x and classify the angles
x = 55; vertical angles