Triangles

Classify the triangle by angles and sides.

• Right Scalene
• Right Isosceles
• Acute Isosceles
• Right Obtuse

Classify the triangle by angles and sides.

• Obtuse Scalene
• Obtuse Isosceles
• Acute Isosceles
• Equiangular Scalene

Classify the triangle by angles and sides.

• Obtuse Scalene
• Obtuse Isosceles
• Right Scalene
• Acute Isosceles

Triangles can be classified by what two things?

• Side length and angle measure

• Number of Vertices and number of sides

• Angle color and side height

• Number of points and number of lines

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

• Isosceles Triangle

• Equilateral Triangle

• Obtuse Triangle

• Irregular Triangle

A scalene triangle has _____

• 3 different angle names

• no congruent sides

• all sides congruent

• 3 congruent angles

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

Classify by sides

• Right
• Isosceles
• scalene
• equilateral

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What is the name of this kind of triangle?

• Right

• Scalene

• Isosceles

• Equilateral

An _____________ triangle is a triangle with one obtuse angle and two acute angles.

• Scalene Triangle

• Right Triangle

• Obtuse Triangle

• None of these