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Saeed Heidarizarei · Answer 1 · 2022-05-25T01:08:02+0000

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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