12.2 - Angles in Plane Shapes - Go Math Grade 3

An angle is two rays that share an endpoint. What is an example of a right angle?

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CCSS.4.G.A.1

An angle is two rays that share an endpoint. What is an example of an acute angle?

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Tags

CCSS.4.G.A.1

An angle is two rays that share an endpoint. What is an example of an obtuse angle?

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Tags

CCSS.4.G.A.1

A vertex is a shared endpoint. The plural of vertex is vertices. How many vertices does the triangle have?

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• 5

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CCSS.6.G.A.4

Use the corner of a sheet of paper to tell whether is a right angle, acute angle (less than a right angle), or an obtuse angle (greater than a right angle).

• right angle

• acute angle (less than a right angle)

• obtuse angle (greater than a right angle)

Tags

CCSS.4.G.A.1

Use the corner of a sheet of paper to tell whether is a right angle, acute angle (less than a right angle), or an obtuse angle (greater than a right angle).

• right angle

• acute angle (less than a right angle)

• obtuse angle (greater than a right angle)

Tags

CCSS.4.G.A.1

Use the corner of a sheet of paper to tell whether is a right angle, acute angle (less than a right angle), or an obtuse angle (greater than a right angle).

• right angle

• acute angle (less than a right angle)

• obtuse angle (greater than a right angle)

Tags

CCSS.4.G.A.1

How many right angles does this quadrilateral have?

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• 3

• 4

• 5

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CCSS.3.G.A.1

What angles does this quadrilateral have?

• right angle

• acute angle

• obtuse angle

Tags

CCSS.4.G.A.1