- What is a right-angled triangle?
A right angled triangle can be defined as, a triangle which has a right angle in it. - How to calculate the area of a square?
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbxi-dMPn_gOLLjPFU5610-tt3ihnChyphenhyphen_nCUQWkuoQsavbhoxM0bcz2_vQiOYhwkg3e2gzb0QmFtJy5UwVVQAlh-yRumpCfxkM_rPHSG3kf4J8ldqHNKN2BQLAzUnXddHXPBKUQVivMv8/s320/square.gif)
The area of a square can be found by multiplying the base times itself.
For instance, if a square has a base of length 6 inches its area is 6*6=36 square inches.
So what is Pythagoras' theorm?
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTn4D8htdb5JK3mTCwk_AHcMD3KS6QaGe306kmVt3j4vd2tuZ9Gs9-HNAFdds0JJZaZE1pkgdAE9qNvCH4GujtM8hFoo9MzzsSyYDuqlBUaWdWWWyi60iWEwaal6Z4xxP1c9tdGHlrHBI/s320/S3U3L4GLhypotenuse.gif)
Proof Games
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfhYU_xwqjImJNqfLGBW-7Y1QLonVhAX9M3NKYXz2wTFtfErOLK9hnDnQgp_lZTQQSjWPSoS8svVUm60_Ylw7xdQoNKPnqw5TgXKnoQ2Hpb-ipJ8nou0SAjZGLCmYLyzFuEhs5FsoIpJc/s320/squares.jpg)
Let we try some games here
Application of Pythagoras' Theorem
Exercises
- if a=9 and b=12, then c=?
- if a=2.8 and b=4.5, then c=?
- if b=200 and c=400, then a=?