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The union of two distinct rays with a common endpoint is
1. a triangle.
2. a point.
3. an angle.
4. a tangent.
What type of angle is greater than a right angle? Pick two.
1. acute
2. obtuse
3. right
4. straight
Name the angle.
1. acute
2. obtuse
3. right
An angle that has a measure greater than 90 degrees and less than 180 degrees is called a(n)                 angle.
1. obtuse
2. right
3. acute
An angle that has a measure of exactly 180 degrees is called a(n)                 angle.
1. straight
2. reflex
3. acute
An angle that has a measure of exactly 90 degrees is called a(n)                 angle.
1. obtuse
2. reflex
3. right
This angle is acute.
1. True
2. False
What type of angle is shown?
1. acute angle
2. obtuse angle
3. right angle
4. straight angle
Lines that intersect to form right angles are called                 lines.
1. parallel
2. perpendicular
3. congruent
4. skew
An angle that has a measure greater than 0 degrees and less than 90 degrees is called a(n)                 angle.
1. obtuse
2. right
3. acute
Which angle is 60 degrees?
1. right
2. acute
3. obtuse
4. straight
Which is formed by two rays with the same endpoint?
1. angle
2. intersecting lines
3. regular polygon
4. ray
Name the angle in the illustration.
1. obtuse
2. acute
3. scalene
4. reflex
This is a(n)                 degree angle.
1. 40
2. 60
3. 80
4. 90
An angle that has a measure of greater than 180 degrees and less than 360 degrees is called a                 angle.
1. straight
2. right
3. reflex
A 180-degree angle is called a            straight            angle.
This angle is obtuse.
1. True
2. False
Which TWO statements about the angle shown are true?
1. Angle ABC is acute.
2. Angle ABC is obtuse.
3. Angle ABC is less than $180deg.$
4. Angle ABC is equal to $180deg.$
5. Angle ABC is greater than $180deg.$