Pythagorean Theorem

Pythagorean Theorem - notes and examples. These animations show demonstrations of the Pythagorean theorem - they are visual proofs. 

There are more examples and questions to try from Project Maths here. Note how the answer is written out - this is how you should write your work (at least three or four lines).

with this online calculator you can enter values and check your answers.

Click on the picture to see this turn

Angry Surds - this is a great game. You can practice the Pythagorean Theorem, Arithmetic and Surds all at the same time.

The Pythagorean theorem is very important in maths - you will use it regularly all the way up to sixth year and possibly beyond! Make sure that you have a full understanding of it.

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Trigonometry - Right Angled Triangles

Pythagorean Theorem - notes and examples. These animations are demonstrations of the Pythagorean theorem. 

There are more examples and questions to try from Project Maths here. Note how the answer is written out - this is how you should write your work.

You can practice finding the missing side here and then check your answer.


Trigonometry - notes and examples

You can see the solution to Activity 8 here.
You can practice finding the missing side here and then check your answer.

You can practice finding the missing side here and then check your answer.

 You can practice finding the hypotenuse here and then check your answer.

Before calculators students had to look up the values for sines etc in tables like this. Click image to enlarge.

Sine Tables

In these tables each degree is divided into minutes - 60 minutes = 1 degree

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