Angles

Vocab Part I

200

A line that intersects two or more parallel lines.

Transversal

300

What is the name of an angle that is less than 90⁰?

Acute Angle

400

Two angles that add up to 180 degrees.

Supplementary Angles

500

Two angles that add up to 90⁰

Congruent Angles 

600

Another name for an angle that is between 180⁰ and 360⁰

Reflex Angle

Vocab Part II

200

Two lines that never intersect.

Parallel Lines

300

What is the name of an angle that is between 90⁰ and 180⁰?

Obtuse Angle

400

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

Vertical Angles

500

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

Alternate Exterior 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

Complementor Supplement

200

What is the supplement of 83^o?

97^o

300

What is the complement of 32^o?

58^o

400

What is the complement of 45^o?

45^o

500

What is the supplement of 39^o?

141^o

600

What is the supplement to the two angles 72⁰ and 23⁰?

85⁰

Identify theAngle Relationship

200

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

Alternate Interior Angles

300

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

Vertical Angles

400

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

Alternate Exterior Angles

500

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

Same Side Interior Angles

600

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

Corresponding Angles

Equations +Angles

200

Given lines m and n are parallel, m∠2 = 125^o, what is the measure of <7?

x = 125⁰

300

Given lines m and n are parallel, m∠1 = 45⁰, what is m∠4 = ?  

45⁰

400

Given lines m and n are parallel, m∠5 = 75⁰, what is m<6=?

m∠6 = 105⁰

500

Given lines m and n are parallel, m∠3 = 115⁰ , what is m<7=?

m∠7 = 115^o

600

Given lines m and n are parallel, m∠2 = 125⁰, what is m<1 =?

m∠1 = 55^o