Angles

Complementary Angles

100

What is another name for a complementary angle AND what is it's measure in degrees?

Right angle, 90 degrees 

200

These are complementary angles 

<A= 61 degrees 

<B= x-1

Part 1: Solve for x

Part 2: What does <B equal?

Part 1: 30 degrees 

Part 2: 29 degrees 

300

These angles are complementary 

<C= 9x

<D= x

Part 1: Solve for x

Part 2: What does <C equal?

Part 1: 9 degrees

Part 2: 81 degrees 

400

These angles are complementary 

<E= x+16

<F= 3x+2

Part 1: Solve for x

Part 2: What does <E and <F equal?

Part 1: 18 degrees

Part 2: <E=34 degrees  <F=56 degrees

500

These angles are complementary

<G= 62

<H= x/3 +1

Part 1: Solve for x

Part 2: What does <H equal?

Part 1: 81 degrees

Part 2: <H= 28 degrees

Supplmentary Angles

100

What does a supplementary angle look like AND what is its measurement in degrees? 

Straight line, 180 degrees 

200

Solve for x

These angle are supplementary 

<I= 101

<J= 5x-6

Part 1: Solve for x

Part 2: What does <J equal?

Part 1: 17 degrees

Part 2: <J=79

300

Solve for x 

These angle are supplementary 

<K= 3x

<L= 8x+70

Part 1: Solve for x

Part 2: What does <K and <L equal?

Part 1: 10 degrees

Part 2: <K=30 degrees  <L=150 degrees

400

Solve for x 

These angle are supplementary 

<M= 24

<N= 3x+6

Part 1: Solve for x

Part 2: What does <N equal?

Part 1: x=50 degrees

Part 2:<N= 156 degrees 

500

Solve for x 

These angle are supplementary

<O= 4x+9 

<P=  8x+3

Part 1: Solve for x

Part 2: What does <O and <P equal?

Part 1: x= 14 degrees 

Part 2: <O=65 <P=115

Vertical Angles

100

What is a vertical angle and how do I find its measurement?

Vertical angle is the angle across from the other angle- they have the same measurement.

200

These angles are vertical 

<Q= 2x

<R= 34

Part 1: Solve for x

Part 2: What does <Q?

Part 1: x= 17 degrees 

Part 2: <Q=34 degrees 

300

Solve for x 

These angles are vertical

<S= 90+x

<T= 113

Part 1: Solve for x

Part 2: What does <S?

Part 1: x=23 degrees
Part 2: 113 degrees 

400

Solve for x

These angles are vertical

<U= 3x-20

<V= 70 

Part 1: Solve for x 

Part 2: What does <U equal?

Part 1: x=30 degrees

Part 2: <U=70 degrees 

500

Solve for x 

These angles are vertical

<W= 3x+7 

<X= 5x-5

Part 1: Solve for x 

Part 2: What does <W and <X equal?

Part 1: x= 6 degrees

Part 2: <W=25 degrees and <X=25 degrees 

Interior Angles

100

What is the sum of all interior angles in a triangle?

180 degrees 

200

Solve for x

These are interior angles in a triangle 

<A 143

<B 32

<C x

Answer: 5 degrees 

300

These are all interior angles in a triangle

Solve for x

<D 9x+10

<E 44

<F 12x

Then plug in to find what each angle degree is 

Answer: 

x= 6 degrees 

D= 64 degrees

E= 44 degrees

F=72 degrees

400

These are all interior angles in a triangle

Solve for x 

<G= 5x-4

<H= 3x+5

<I= x+8

Then plug in to find what each angle degree is

Answer:

x=19 degrees

G= 91 degrees

H= 62 degrees

I=27 degrees

500

These angles are interior angles in a triangle 

Solve for x

<J= 15+x

<K= 47

<L= 18+4x

Then plug in to find what each angle degree is

Answer: 

x= 20 degrees 

J= 35 degrees 

K= 47 degrees 

L= 98 degrees

Random

100

What are the 3 types of angles and identify if they are less than 90 degrees, 90 degrees, or more than 90 degrees.

Acute- less than 90 degrees

Right- 90 degrees 

Obtuse-180 degrees

200

What are my three steps when setting up a two step equation and solving for an angle?

1- pull out measurements 

2- set it equal to 90 or 180 

3- solve for x

300

How many degrees is a circle AND how many right angles is it made up of? 

360 degrees, 4 right angles 

400

A) How do I name an angle?

B) What is this angles two names?

A) Use all it's points 

The vertex (what angle you are measuring should be in the middle) should also be the angle name?

B)

500

What are the steps I take when measuring an angle with a protractor?

Step 1- determine if the angle is acute or obtuse

Step 2-line up protractors dot on the angle's vertex

Step 3- line up your straight lines 

Step 4- extend your line