Classifying Triangles

Triangles can be classified by what two things?

• Side length

• Number of Vertices

• Angles

• Congruent Sides

Tags

CCSS.4.G.A.2

A triangle with 3 congruent sides is called a(n) ______

• Isosceles Triangle

• Equilateral Triangle

• Obtuse Triangle

• Irregular Triangle

Tags

CCSS.7.G.A.2

A scalene triangle has _____

• 3 different angle names

• no congruent sides

• all sides congruent

• 3 congruent angles

Tags

CCSS.7.G.A.2

Figure formed by three segments joining three noncollinear (not on the same line) points is called a ___________

• Parallel line

• Triangle

• Trapezoid

• Plane

The side that is opposite of the right angle in a triangle is called the ________

• hypotenuse

• leg

• base

• right angle

In an isosceles triangle, the congruent sides are known as the _______

• hypotenuse

• legs

• base

• right angles

Tags

CCSS.HSG.CO.C.10

An equiangular triangle has at least ____ congruent angles

• 4

• 3

• 2

• 0

Tags

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

A triangle with at least one angle greater than 90 degrees is a(n) ________ triangle

• obtuse

• left

• right

• acute

Tags

CCSS.HSG.CO.C.10

In an Isosceles triangle, the side that is opposite the vertex angle is called the _______

• base

• leg

• hypotenuse

• longest side

Tags

CCSS.HSG.CO.C.10

What are the 2 other name classifications of an equiangular triangle?

• Acute Triangle

• Equilateral Triangle

• Right Triangle

• Obtuse Triangle