Triangles

How are triangles classified?

• equal sides and types of angles

• number of sides and number of angles

• color and size

• angles

Tags

CCSS.4.G.A.2

An EQUILATERAL triangle has ___________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides

Tags

CCSS.4.G.A.2

A SCALENE triangle has _____________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides

Tags

CCSS.4.G.A.2

An ISOSCELES triangle has _____________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides

Tags

CCSS.4.G.A.2

An ACUTE triangle has ________________.

• 1 acute angle

• 2 acute angles

• 3 acute angles

• no acute angles

Tags

CCSS.4.G.A.2

An OBTUSE triangle has _____________.

• 1 obtuse angle

• 2 obtuse angles

• 3 obtuse angles

• no obtuse angles

Tags

CCSS.4.G.A.2

A RIGHT triangle has ___________.

• 1 right angle

• 2 right angles

• 3 right angles

• no right angles

Tags

CCSS.2.G.A.1

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees

Tags

CCSS.8.G.A.5

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What is the name of this kind of triangle?

• Right
• Isosceles
• Scalene
• Equilateral

Tags

CCSS.4.G.A.2

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

Tags

CCSS.4.G.A.2