Classifying Triangles

Classify the triangle by angles and sides.

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

Tags

CCSS.7.G.A.2

Classify the triangle by angles and sides.

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

Tags

CCSS.7.G.A.2

Classify the triangle by angles and sides.

• Equiangular Equilateral
• Right Isosceles
• Right Scalene
• Acute Isosceles

Tags

CCSS.7.G.A.2

A scalene triangle has _____

• 3 different angle names

• no congruent sides

• all sides congruent

• 3 congruent angles

What type of triangle is shown?

• Isosceles

• Right-angled

• Equilateral

• Scalene

Tags

CCSS.7.G.A.2

If QN bisects angle PQR and N is the midpoint of PR classify triangle TQS by its angles and sides.

Tags

CCSS.7.G.A.2

If QN bisects angle PQR and N is the midpoint of PR classify triangle PQR by its angles and sides.

• Equiangular Equilateral

• Right Isosceles

• Acute Isosceles

• Acute Equilateral

Tags

CCSS.7.G.A.2

CCSS.7.G.B.5

Find the measures of the sides of 'DEF, then classify it by its sides.

D(8, -6), E(-1, -3), F(-2, 5)

HINT: Distance formula

• Scalene

• Isosceles

• Equilateral

• Acute

Find the length of side DF given D (7, -2) and F (-3, 5).

HINT: distance formula

ROUND TO 1 decimal. Ex: 5.3 or 9.1

WHAT ARE THE TWO WAYS TO CLASSIFY TRIANGLES?

• SIZE OF TRIANGLE

• SIDES

• ANGLES

• COLOR

Tags

CCSS.5.G.B.4