Vocab Part I
Vocab Part II
Complement
or Supplement
Identify the
Angle Relationship
Equations +
Angles
200

A line that intersects two or more parallel lines.

Transversal

200

Two lines that never intersect.

Parallel Lines

200

What is the supplement of 83o?

97o

200

Given lines m and n are parallel, what is the relationship between ∠3 and ∠6?

Alternate Interior Angles

200

Given lines m and n are parallel, m∠2 = 125o, and m∠7 = 5x.  Find x.

x = 25

300

What did the snowman say to the other snowman?

Do you smell carrots?

300

Having the same measure (equal).

Congruent

300

What is the complement of 32o?

58o

300

Given lines m and n are parallel, what is the relationship between ∠5 and ∠8?

Vertical Angles

300

What's gas pump's favorite holiday?

April Fuel's day

400

Two angles that add up to 180 degrees.

Supplementary Angles

400

A pair of opposite, congruent angles formed by two intersecting lines.

Vertical Angles

400

What is the complement of 44.8o?

45.2o

400

Given lines m and n are parallel, what is the relationship between ∠1 and ∠8?

Alternate Exterior Angles

400

Given lines m and n are parallel, m∠5 = 4x + 15, and m∠4 = 9x.  Find m∠5.

m∠5 = 27o

500

Two congruent angles on opposite sides of the transversal and inside the parallel lines.

Alternate Interior Angles

500

Two congruent angles on opposite sides of the transversal and outside the parallel lines.

Alternate Exterior Angles

500

What is the supplement of 39.2o?

140.8o

500

Given lines m and n are parallel, what is the relationship between ∠4 and ∠6?

Same Side Interior Angles

500

Given lines m and n are parallel, m∠3 = 2x + 40, and m∠7 = 3x + 20.  Find m∠3.

m∠3 = 80o

600

Two angles on same side of the transversal and inside the parallel lines.

Same-Side Interior Angles

600

Two congruent angles located in the same position, but on a different parallel line (1 inside and 1 outside the parallel lines).

Corresponding Angles

600

Why couldn't the sailor finish the alphabet?

He got lost at C

600

Given lines m and n are parallel, what is the relationship between ∠4 and ∠8?

Corresponding Angles

600

Given lines m and n are parallel, m∠4 = 5x + 44, and m∠6 = 6x + 48.  Find m∠6.

m∠6 = 96o