Question

in a triangle ABC, AB = 11 cm ,
BC = 60 cm and AC = 61 cm.
what type of triangle is ABC ?

A) Acute angled triangle
B) Right angled triangle

with proof

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Answer 1

Answer:

it is a scalene triangle because all sides are different

Answer 2

Answer:

B)

Step-by-step explanation:

here the largest side is 61

therefore, 61^2 = 3721 and 60^2+11^2= 3600+ 121= 3721

the square of the largest no. is equal to the sum of squares remaining two no.

therefore, 11, 60 and 61 are the Pythagorean triplets

therefore,∆ABC is a right angled triangle