alyssamann73 alyssamann73

08-05-2021
Mathematics

contestada

triangle ABC has a perimeter 22cm
AB=8cm
BC=5cm
by calculation, deduce whether ABC is a right angle triangle?

Respuesta :

mustafanajami mustafanajami

08-05-2021

perimeter = AB + AC + BC
22 = 8 + AC + 5
AC = 9

from phitagoras rule it states that
if ABC is a right angle then

9^2 = 8^2 + 5^2

81≠89

so its not right angelic

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