Question

which of the following can be the sides of a right angled triangle?

1)4cm,5cm,7cm
2)1.5cm,2cm,2.5cm
3)7cm,5.6cm,4.2cm​

Answer 1

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${\huge{\red{\underline{\underline{\mathcal Option C:-}}}}}$

Answer 2

Answer:

Option 2) & 3)

Step-by-step explanation:

It should satisfy Pythagorous theorem,

Option 2:

$\implies$ $H^{2}=P^{2}+B^{2}$

$\implies$ $(2.5)^{2} = (1.5)^{2} + 2^{2}$

$\implies$ $6.25=2.25+4$

$\implies$ $6.25=6.25$

Option 3 :

$\implies$ $H^{2}=P^{2}+b^{2}$

$\implies$ $7^{2}=5.6^{2}+4.2^{2}$

$\implies$ $49=31.36+17.64$

$\implies$ $49=49$

So, these both are right angled triangles.

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