Length of the sides of a triangle are a, b and c respectively. If a2 + b2 + c2 = ab + bc + ca then the triangle is:
A. Isosceles
B. Equilateral
C. Scalene
D. Right-angled
Answer: Option B
Solution (By Examveda Team)
a2 + b2 + c2 = ab + cb + caThis is true only when a = b = c
So, triangle will be equilateral
This Question Belongs to Arithmetic Ability >> Triangles
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