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
Related Questions on Triangles
If ABC and PQR are similar triangles in which ∠A = 47° and ∠Q = 83°, then ∠C is:
A. 50°
B. 70°
C. 60°
D. 80°
In the following figure which of the following statements is true?
A. AB = BD
B. AC = CD
C. BC + CD
D. AD < Cd
Join The Discussion