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Angle Types and Pairs

Authored by Mary Doherty

Mathematics

7th Grade

CCSS covered

Used 7+ times

Angle Types and Pairs
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

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How much do you feel you know about angle pairs?

This stuff is great and I understand the definitions

I remember hearing this before, but need some more review.

I don't remember hearing about this before, but think I understand.

I am totally lost!

Tags

CCSS.7.G.B.5

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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What is the measure of the following angle?

100 degrees.

58 degrees. 

78 degrees

102 degrees

Answer explanation

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Notice how the degrees are labeled on an arc on the protractor. There are two sets of degrees going in opposite directions along an arc. The bottom of the arc shows degrees from 0º to 180º from left to right. The top of the arc shows degrees from 180º to 0º from left to right.

This is an obtuse angle, so the answer is GREATER than 90 degrees.

Tags

CCSS.4.MD.C.6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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This is what kind of angle?

obtuse
right
straight
acute

Answer explanation

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An acute angle is one that measures less than 90 degrees.

It is sometimes called a "sharp" angle

The word acute comes from Latin, acutus, meaning sharp or pointed. Anytime you see a pointy angle, you have an acute angle.

Tags

CCSS.4.G.A.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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This type of angle shares a common side and a common vertex.

Vertical Angles

Obtuse Angles

Adjacent Angles

Acute Angles

Answer explanation

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Adjacent angles can be complementary, supplementary or neither. The thing is , they must share a common side and a common vertex.

Tags

CCSS.7.G.B.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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What term is used to describe a pair, or group, of angles that equal 180 degrees?

Supplementary Angles
Complementary Angles
Vertical Angles
Congruent Angles

Answer explanation

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Supplementary angles refer to the pair of angles that always sum up to 180°. These two angles are called supplements of each other. The word "supplementary" comes from two Latin words "Supplere" and "Plere" where "Supplere" means "supply”, whereas "Plere" means "fill". So, "supplementary" means "something when supplied to complete a thing".

Tags

CCSS.7.G.B.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Solve for x.

x = 118
x = 108
x = 28
x = 58

Answer explanation

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x + 62 = 180

x +62 - 62 = 180 - 62

x = 118

Check:

118 + 62 = 180

180 = 180

Tags

CCSS.7.G.B.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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What are vertical angles?

Angles that are adjacent to each other
Angles that add up to 180°
Angles that are opposite of each other when lines intersect
Angles that add up to 90°

Answer explanation

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Real-life settings where vertical angles are used include railroad crossing sign, letter “X’’, open scissors etc.

The Egyptians used to draw two intersecting lines and always measure the vertical angles to confirm that both of them are equal.

Tags

CCSS.7.G.B.5

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