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Classifying Triangles

Triangles can be classified in TWO ways: 1. Number of Congruent Sides 2. Angle Measure Think of it as every triangle has a FIRST name and a LAST name, where its first name is its Congruent Side Classification and its last name is its Angle Measure classification.
Triangle Classification by Side Use the the above applet to help define the below triangle classifications.

Scalene Triangle is a triangle with ____________ congruent/equal sides.

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
Tarkista vastaus (3)

Isosceles Triangle is a triangle with ____________ congruent/equal sides

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
Tarkista vastaus (3)

Equilateral Triangle is a triangle with __________ congruent/equal sides

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
Tarkista vastaus (3)
Triangle Classification by Angle Measure

Acute Triangle is a triangle with _________ acute angles.

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
  • D
Tarkista vastaus (3)

Obtuse Triangle is a triangle with _________ obtuse angle.

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
  • D
Tarkista vastaus (3)

Right triangle is a triangle with __________ right angle.

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
  • D
Tarkista vastaus (3)
PRACTICE

Example 1

What type of triangle is Triangle ABC. Select TWO choices.

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
  • D
  • E
  • F
Tarkista vastaus (3)

Example 2

What type of triangle is Triangle DEF. Select TWO choices.

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
  • D
  • E
  • F
Tarkista vastaus (3)

Example 3

What type of triangle is Triangle QRS. Select TWO choices.

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
  • D
  • E
  • F
Tarkista vastaus (3)

Example 4

What type of triangle is Triangle XYZ. Select TWO choices.

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
  • D
  • E
  • F
Tarkista vastaus (3)

Example 5

What type of triangle is Triangle LMN. Select TWO choices.

Valitse ne, jotka kelpaavat
  • A
  • B
  • C
  • D
  • E
  • F
Tarkista vastaus (3)