Why are angles important in building structures?

• They help in making structures colorful.

• They ensure structures do not fall apart.

• They make structures look bigger.

• They help in reducing the cost of structures.

Tags

CCSS.HSG.CO.C.11

What is formed when two rays meet at a common point?

• An angle

• A triangle

• A circle

• A line

Tags

CCSS.4.G.A.1

What is the measure of an acute angle?

• Exactly 90 degrees

• Between 90 and 180 degrees

• Greater than 90 degrees

• Between 0 and 90 degrees

Tags

CCSS.4.G.A.1

What symbol is used to represent a right angle?

• A small star

• A small circle

• A small square

• A small triangle

Tags

CCSS.4.G.A.1

Which letter is a good example of a right angle?

• K

• L

• B

• A

Tags

CCSS.4.G.A.1

What is the measure of an obtuse angle?

• Between 90 and 180 degrees

• Exactly 180 degrees

• Exactly 90 degrees

• Less than 90 degrees

Tags

CCSS.4.G.A.1

What is the measure of a straight angle?

• 360 degrees

• 270 degrees

• 180 degrees

• 90 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is the measure of a reflex angle?

• Between 0 and 90 degrees

• Between 90 and 180 degrees

• Between 180 and 360 degrees

• Exactly 360 degrees

Tags

CCSS.4.G.A.1

What is the measure of a complete angle?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Which angle is formed when the blue ray completes one full rotation?

• Right angle

• Acute angle

• Obtuse angle

• Complete angle

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1