A straight line has this many degrees
What is 180°?
Two lines that never cross are known as these
What are parallel lines?
∠ 4=75°, then ∠ 5 = this many degrees

What is 75°?
If
\angle1 = 125
and
\angle2 = 7x-1
, Solve for x.

What is 18?
∠ 1 and ∠ 5
What are Corresponding Angles?
Complementary angles add up to this amount
What is 90°?
If ∠2 = 100°, ∠4= this many degrees

What is 80°
If
\angle3 = x+115
and
\angle6=105
, Solve for x.

What is -10?
∠4 and ∠3 are examples of these

Supplementary Angles
∠5 and ∠4 are examples of these congruent angles

What are alternate interior angles?
If ∠1 is 80°, ∠5 is this many degrees 
What is 80°?
If
\angle4 = 120
and
\angle6 = 4x-12
, Solve for x.

What is 18?
∠2 and ∠7 are examples of these congruent angles

What are alternate exterior angles?
ALL the exterior angles

What are ∠ 1, ∠2, ∠ 7, and ∠ 8?
If ∠3=125°, then ∠6 is this many degrees

What is 125°?
If
\angle2 = 14x+2
and
\angle7 = 13x+9
, Solve for x.

What is 7?
∠8 and ∠5 are examples of these angles
What are vertical angles?
Two lines that cross at a right angle are known as these
What are perpendicular lines?
If ∠ 7= 110°, then ∠ 6 = this many degrees
What is 110°?
If
\angle4 = 2x+20
and
\angle8 = 3x-10
, Solve for x.

What is 30?