Lesson 6: Angle-angle criterion for similar triangles

Before you have access to this lesson from the links below, click on “Materials” to see what’s covered. The exercise is expected to last for not more than 1 hour 3o minutes, and please, be ready to complete this lesson in ONE session. If you haven’t signed up for the IXL SKILLS package, the temporal login info that you purchase from the link below, will be valid for 48 hours. 

For temporal access: Click here.

Warmup

Activity #1 (30 minutes)

1. Topic: Angle-angle criterion for similar triangles(Applet).

2. Explainer Video: Angle-angle criterion for similar triangles.

Practice Exercise (30 minutes).

Topic: Angle-angle criterion for similar triangles.

Quiz Time – (Two sets: 30 minutes).

Topic: Angle-angle criterion for similar triangles (to be taken while you are logged in).

  1. An applet.
  2. An explainer video on "Angle-angle criterion for similar triangles".
  3. A skills exercise from the IXL website on "Angle-angle criterion for similar triangles". The questions exhibit an increasing order of difficulty. 
  4. Two sets of quizzes on "Angle-angle criterion for similar triangles". The questions exhibit an increasing order of difficulty, and an average score of 80% expected.