Angles for noobs

What is a obtuse angle

• It is an angle which is more than 180*

• It is an angle which is less than 90*

• It is an angle which is more than 90*

• It is an angle which is exactly 90*

Tags

CCSS.4.G.A.1

If an angle is less than 90* what is the name of that angle

(Also EXPLAIN IT)

(a)  

Tags

CCSS.4.G.A.1

I can measure an angle with a device known as (a)  

Tags

CCSS.4.MD.C.6

How many types of angles are there

• 4

• 5

• 10

• 9

Tags

CCSS.4.G.A.1

What kind of angle is this???

• right

• acute

• obtuse

• straight

Tags

CCSS.4.G.A.1

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Tags

CCSS.7.G.B.5

Which are pairs of vertical angles?

• ∠COB & ∠COA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOD

Tags

CCSS.7.G.B.5

What type of angle is shown?

• acute
• obtuse
• right
• straight

Tags

CCSS.4.G.A.1

What are supplementary angles?

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

Tags

CCSS.7.G.B.5

Which of the following is NOT an example of supplementary angles?

•  $\angle7\ and\ \angle8$  

•  $\angle2\ and\ \angle3$  

•  $\angle1\ and\ \angle7$  

•  $\angle6\ and\ \angle4$  

Tags

CCSS.7.G.B.5