Vocabulary
What word means two lines that never intersect?
Parallel Lines
Are Corresponding Angles congruent or supplementary?
Corresponding Angles are congruent.
Which angles are ALWAYS congruent?
Vertical Angles Linear Pair Corresponding
Vertical Angles are ALWAYS congruent.
Which angles are ALWAYS supplementary?
Vertical Angles Linear Pair Corresponding
Linear Pair are ALWAYS supplementary.
What are the angles outside the parallel lines and on opposite sides of the transversal called?
Alternate Exterior Angles
What word means two angles that are the same size and the same shape?
Congruent angles
Are Linear Pair congruent or supplementary?
Linear Pair are supplementary.
Angle a and b are vertical angles. Angle a measures 75 degrees. What is the measurement of angle b?
75 degrees
What is the supplementary angle of 90 degrees?
90 degrees (180 - 90 = 90)
What word means a line that crosses two or more other lines?
Transversal Line
Which of the following is NOT congruent?
Alt Int Alt Ext Same-Side Int
Same-Side Int are NOT congruent.
Angle a and b are alternate interior angles on parallel lines. Angle a measures 55 degrees. What is the measurement of angle b?
55 degrees
Angle c and angle d are linear angles. Angle c measures 80 degrees. What is the measure of angle d?
100 degrees (180 - 80 = 100)
What are the angles inside the parallel lines and on same sides of the transversal called?
Same-Side Interior Angles
What word means two angles whose measure have a sum of 180 degrees?
Supplementary
What is the supplementary angle of 103 degrees?
77 degrees (180 - 103 = 77)
Angle a and b are alternate exterior angles on parallel lines. Angle a measures 111 degrees. What is the measurement of angle b?
111 degrees
Angle x and angle y are Same-Side Interior angles on parallel lines. Angle y measures 150 degrees. What is the measure of angle x?
150 degrees (180 - 150 = 30)
What are angles that are in same place in different groups called?
Corresponding Angles
What word means to be on opposite corners?
Alternate
What is the supplementary angle of 10 degrees?
170 degrees (180 - 10 = 170)
Angle x and angle y are corresponding angles on parallel lines. Angle x measures 93 degrees. What is the measurement of angle y?
93 degrees
Angles a and c are same-side exterior angles on parallel lines. Angle a measures 40 degrees. What is the supplement of Angle c?
140 degrees (180 - 140 = 40)
What are the angles next to each other called?
Linear Pair