Classifying Triangles by Angles

Which triangle is a right triangle?

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Tags

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Select all acute triangles.

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Tags

CCSS.HSF.TF.A.3

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.D.11

Select any obtuse triangles.

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Tags

CCSS.7.G.A.2

CCSS.7.G.B.5

A(n) _________ is a triangle where all angles are less than 90 degrees.

A(n) _________ triangle is a triangle with an angle that is exactly 90 degrees.

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.11

A(n) __________ is a triangle with an angle larger than 90 degrees.

Tags

CCSS.HSG.CO.A.1

A right triangle is...

• a triangle with a 90 degree angle

• a triangle with all angles less than 90 degrees

• a triangle with an angle bigger than 90 degrees

Tags

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

An obtuse triangle is...

• a triangle with a 90 degree angle

• a triangle with all angles less than 90 degrees

• a triangle with an angle larger than 90 degrees

Tags

CCSS.4.G.A.2

An acute triangle is...

• A triangle with a 90 degree angle

• a triangle where all angles are less than 90 degrees

• a triangle with an angle larger than 90 degrees

What type of triangle is this?

• Acute

• Right

• Obtuse

Tags

CCSS.4.G.A.2