Maths Types of Triangles.

Maths Types of Triangles.

by Dennis Alexander

​October 11

​Learning Intention

​Tommorow we are doing perimeter and area of triangles. So let.s brush up on naming triangles

​Success Criteria

​Prove I can name triangles by getting a good score in the quiz.

​Watch the video

​Try to rememember the number of equal sides of each type of triangle

Multiple Choice

Name this triangle by its sides

• scalene

• isosceles

• equilateral

• acute

Multiple Choice

Name this triangle by its sides.

• scalene

• isosceles

• equilateral

• obtuse

Multiple Choice

Name this triangle by its angles and sides.

• scalene

•  isosceles

• equilateral

Multiple Choice

If the picture shown is an isosceles triangle, what is the measure of the 3rd angle?

• 40

• 90

• 70

• 180

Multiple Choice

An EQUILATERAL triangle has ___________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides

Multiple Choice

A SCALENE triangle has _____________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides

Multiple Choice

An ISOSCELES triangle has _____________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides

Multiple Choice

A RIGHT triangle has ___________.

• 1 right angle

• 2 right angles

• 3 right angles

• no right angles

Multiple Choice

In a triangle, how many total degrees are there?

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

Multiple Choice

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What is the name of this kind of triangle?

• Right
• Isosceles
• Scalene
• Equilateral