Question

determine whether the triangle whose length of side 3cm,4cm,5cm, ​

Answer 1

Correct Question :-

Determine whether the triangle whose length of side 3cm,4cm,5cm, is a right angled triangle .

Solution :-

=${3}^{2}$= 3 × 3 = 9;${4}^{2}$=4×4 = 16;

${5}^{2}$= 5×5 = 25.

We find:

${3}^{2}$+ ${4}^{2}$= ${5}^{2}$.

$\huge \underline \bold{Therefore,}$

The triangle is right angled.

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Note: If any right angled triangle,the hypotenuse happens to be the longest side. In this question , the side with length with 5m is the hypotenuse.

More:

In a right-angled triangle,the sides have some special names. The side opposite to the right angle is called Hypotenuse.

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