Welcome to Clip from Spiral logo

Interactive video lesson plan for: Trig Ratios-Right Triangles-Geometry Help

Activity overview:

Geometry Teachers Never Spend Time Trying to Find Materials for Your Lessons Again!

Join Our Geometry Teacher Community Today!
Trig ratios can be used to find missing angles and sides of a right triangle. When you have a right triangle and you to find a missing side length or angle you can follow these steps.

Step1.Decide which trig ratio you should use (Sine,Cosine,or Tangent) based on the information you are given.

Step 2. Set the problem up with the angle and the ratio of the two sides.

Step 3. Calculate to change the ratio to a decimal

Step 4. Use a cross product

Step . Solve

Example problem worked out equals.
If you have a right triangle with an angle of 50 degrees and an opposite side of 5 units, what is the hypotenuse length?

You may also enjoy..

Trig Ratios part1

Trigonometric Ratios

For a helpful summary visit

Please watch: "Study Skills Teacher's Secret Guide to your Best Grades"

Tagged under: trig ratios,tangent,geometry,ratios,cosine, hypotenuse,moomoomath,trigonometry,math ,sin,trigonometric ratios,SOH CAH TOA,adjacent,angle,hypotenuse,triangle,tan

Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.

Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip

Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans

Play this activity

1. Students enter a simple code

2. You play the video

3. The students comment

4. You review and reflect

* Whiteboard required for teacher-paced activities

Share on:

Share Trig Ratios-Right Triangles-Geometry Help on Google+ Share Trig Ratios-Right Triangles-Geometry Help on Twitter Share Trig Ratios-Right Triangles-Geometry Help on Facebook Pin Trig Ratios-Right Triangles-Geometry Help Email Trig Ratios-Right Triangles-Geometry Help

Ready to see what else Spiral logo can do?

With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.


Carry out a quickfire formative assessment to see what the whole class is thinking


Create interactive presentations to spark creativity in class

Team Up

Student teams can create and share collaborative presentations from linked devices


Turn any public video into a live chat with questions and quizzes

1000s of teachers use Spiral to deliver awesome, engaging activities that capture students' understanding during lessons.

Now it's your turn Sign up

Spiral Reviews by Teachers and Digital Learning Coaches

Review of Spiral by teacher: Kathryn Laster @kklaster

Tried out the canvas response option on @SpiralEducation & it's so awesome! Add text or drawings AND annotate an image! #R10tech

Review of Spiral by teacher: Room 220 Math Stars @3rdgradeBCE

Using @SpiralEducation in class for math review. Student approved! Thumbs up! Thanks.

Review of Spiral by teacher: Miss Ord @ordmiss

Absolutely amazing collaboration from year 10 today. 100% engagement and constant smiles from all #lovetsla #spiral

Review of Spiral by teacher: Adam J. Stryker @strykerstennis

Students show better Interpersonal Writing skills than Speaking via @SpiralEducation Great #data #langchat folks!

Review of Spiral by teacher: Dr Ayla Göl @iladylayla

A good tool for supporting active #learning.

Review of Spiral by teacher: Brett Erenberg @BrettErenberg

The Team Up app is unlike anything I have ever seen. You left NOTHING out! So impressed!

Get the Clip Chrome Extension & Create Video Lessons in Seconds

Add Clip to Chrome