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  • Pythagoras Theorem
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From the geometrical point of view, Pythagoras theorem gives the relation between areas of squares on the sides of a right-angled triangle. Also, from an algebraic point of view, the formula below can be used to solve right-angled triangles.

⇒ \( \scriptsize a^2 = b^2 \: + \: c^2\)

which is \( \scriptsize Hyp^2 = Opp^2 \: + \: Adj^2\)

 Pythagorean Triple:

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In ΔABC above, the sides are 3 cm, 4 cm and 5 cm. This is an example of a Pythagorean triple, i.e. a set of 3 whole numbers which can be taken as the lengths of the sides.

\( \scriptsize 5^2 = 4^2 \: + \: 3^2\)

 

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