Exterior angle of triangle

Triangle

1 / 22

Slide 1: Mind map

MathematicsPrimary Education

This lesson contains 22 slides, with interactive quizzes and text slides.

Lesson duration is: 1 min

Items in this lesson

Triangle

Slide 1 - Mind map

Slide 2 - Slide

Slide 3 - Slide

Learning Objective

1) Develop and apply the exterior angle property of a triangle to find the measure of the unknown angle in the given triangle.

2) Relate the concept to real-life situations.

Slide 4 - Slide

timer

5:00

Slide 5 - Slide

Slide 6 - Slide

Slide 7 - Slide

Slide 8 - Slide

Draw your conclusion from the activity

Slide 9 - Open question

Slide 10 - Slide

www.geogebra.org

Slide 11 - Link

timer

0:30

Slide 12 - Slide

Find the value of x from above figure is

120

135

Slide 13 - Quiz

The exterior angle of a triangle is equal to the sum of two

Exterior angles

Interior opposite angles

Alternate angles

Interior angles

Slide 14 - Poll

timer

2:00

Slide 15 - Slide

Slide 16 - Slide

Slide 17 - Slide

Slide 18 - Slide

Tell me three things
a) You have learnt today
b)You have done well
c)You would like to find more about

Slide 19 - Open question

Slide 20 - Slide

Slide 21 - Slide

The value of x is equal to

40 degree

50 degree

70 degree

Slide 22 - Poll

Exterior angle of triangle

Items in this lesson

Slide 1 - Mind map

Slide 2 - Slide

Slide 3 - Slide

Slide 4 - Slide

Slide 5 - Slide

Slide 6 - Slide

Slide 7 - Slide

Slide 8 - Slide

Slide 9 - Open question

Slide 10 - Slide

Slide 11 - Link

Slide 12 - Slide

Slide 13 - Quiz

Slide 14 - Poll

Slide 15 - Slide

Slide 16 - Slide

Slide 17 - Slide

Slide 18 - Slide

Slide 19 - Open question

Slide 20 - Slide

Slide 21 - Slide

Slide 22 - Poll

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