Identifying Triangles by Attributes

Can the following 3 numbers be side measures of a triangle

4, 7, 8

• Yes

• No

Tags

CCSS.7.G.A.2

Can the following 3 numbers be side measures of a triangle

• Yes

• No

Tags

CCSS.7.G.A.2

Can the following 3 numbers be side measures of a triangle

8, 2, 8

• Yes

• No

Tags

CCSS.7.G.A.2

What is the missing Angle?

Tags

CCSS.8.G.A.5

What is the name of this kind of triangle?

• Isosceles

• Scalene

• Equilateral

Tags

CCSS.4.G.A.2

What is an attribute of an isosceles triangle?

• 2 sides are the same

• all sides are the same

• all sides are different

• It has 5 sides

Tags

CCSS.4.G.A.2

This is an obtuse triangle. What are some attributes (characteristics) of this triangle?

• It has 4 angles.

• It has an obtuse angle.

• It has 2 acute angles.

• It has 2 angles.

Tags

CCSS.4.G.A.2

What is an attribute of an obtuse triangle?

• It contains all obtuse angles

• It contains 1 obtuse angle

• It contains 2 obtuse angles.

• It contains all acute angles.

Tags

CCSS.4.G.A.2

What is an attribute of a scalene triangle?

• 2 sides are the same

• all sides are the same

• all sides are different

• It contains a straight angle

Tags

CCSS.4.G.A.2

Match the following triangle definitions:

• no sides equal

• A. isosceles

• 3 sides equal

• equiangular

• 90 degrees

• B. scalene

• 3 equal angles

• right angle

• two sides equal

• C. equilateral

Tags

CCSS.4.G.A.2