s16muskaanr s16muskaanr

28-03-2019
Mathematics

contestada

Triangle ABC has perimeter 22cm
AB=8cm
BC=5 cm
By calculation deduce whether triangle ABC is a right-angled triangle

Respuesta :

mimifarooqui13 mimifarooqui13

28-03-2019

AC = 22 - (8+5) = 22 - 13 = 9

9^2 + 13^2 = 81 +169 = 250

22^2 = 484

So no, ABC is NOT a right triangle because the pythagorean thoerem fails

Hope this helps :)

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