Question

in triangle abc, ab = 13 , bc= 5 , ac = 12 . then determine whether triangle abc is right angled triangle .

Answer 1

yeah it is,
with c as 90 degrees ..
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Answer 2

Answer:

Yes

Step-by-step explanation:

For a triangle to be right angled,

a^2 + b^2 = c^2 .... where c is the largest side

So,

(ac)^2 + (bc)^2 = (ab)^2

12^2 + 5^2 = 13^2

144 + 25 = 169

169 = 169

Hence, it is a right-angled triangle