Angles

Vocab Part I

100

What is "m∠C" read as?

Measure of Angle C

101

A line that intersects two or more parallel lines.

Transversal

102

Two angles that add up to 180 degrees.

Supplementary Angles

103

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

Alternate Interior Angles

104

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

Same-Side Interior Angles

Vocab Part II

100

Two lines that never intersect.

Parallel Lines

101

Having the same measure (equal).

Congruent

102

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

Vertical Angles

103

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

Alternate Exterior Angles

104

Two congruent angles located in the same position, but on a different parallel line.

Corresponding Angles

Complementor Supplement

100

What is the supplement of 83^o?

97^o

101

What is the complement of 32^o?

58^o

102

What is the complement of 44.8^o?

45.2^o

103

What is the supplement of 39.2^o?

140.8^o

104

What is the supplement of h^o?

(180 - h)^o

Identify theAngle Relationship

100

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

Are they congruent, complementary, or supplementary?

Alternate Interior Angles, Congruent

101

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

Are they congruent, complementary, or supplementary?

Vertical Angles, Congruent

102

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

Are they congruent, complementary, or supplementary?

Alternate Exterior Angles, Congruent

103

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

Are they congruent, complementary, or supplementary?

Same Side Interior Angles, Supplementary

104

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

Are they congruent, complementary, or supplementary?

Corresponding Angles, Congruent

Equations +Angles

100

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

x = 25

101

Given lines m and n are parallel, m∠8 = 65^o, and m∠5 = x - 10.  Find x.

x = 75

102

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

m∠5 = 27^o

103

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

m∠3 = 80^o

104

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

m∠6 = 96^o