What kind of angle is this? Right, Acute, Obtuse or Straight?
acute
Sum of complementary angles
90 Degrees
Angles A and B are Complementary angles. Angle A measures 28 degrees. Angle B measures ___.
62 degrees
What is a vertex?
The point where two angles come together.
Angles A and B are Supplementary. Angle A measures 85 degrees. What is the measure of Angle B?
Angle B is 95 degrees.
What is the name of an angle that measures 180 degrees?
straight
Sum of supplementary angles
180 Degrees
What is the measurement of angle x?
53 degrees
The type of lines that NEVER intersect
Parallel Lines
The compliment to Angle D is 3x. Solve for x.
30 degrees
Write how many degrees an obtuse angle could have.
You are correct if you wrote a number between 91-179
Angles that are congruent
Vertical Angles
What is the measurement angle ABD?
120 degrees
What does congruent mean?
Same size and same shape.
Equal!
Angles A and B are vertical. If Angle B = 75 degrees, what does Angle A equal?
75 degrees
If an angle measures 34 degrees, what type of angle is it?
acute
Angles that are next to each other
Adjacent Angles
Write the equation to solve for x but don't solve!
28o + xo + 73o = 180o.
Give a definition for vertical angles.
Opposite angles that share a vertex and are congruent.
Angles M, N, and O are complimentary. Angle M measures 20 degrees. Angle O measures 45 degrees. What does Angle N measure?
25 degrees
Name a new type of angle pair that you just learned about this week.
Complimentary, Supplementary, Vertical, or Adjacent
Vertically opposite angles are always __________
Congruent (the same)
What is the measurement of angle x?
28o + xo + 73o = 180o
xo = 79o
Give a definition for adjacent angles.
Angles that share a side and a vertex.
Draw a picture of a pair of adjacent angles.
See drawing...