We Solve Problems
Problems
Categories
F.A.Q.
Sign In
Sign Up
Sign Up
Problem
#PRU-57310
Problems
Geometry
Plane geometry
Geometrical inequalities
Triangle inequality
Triangle inequality algebra problems
13–13
2.0
Problem
a, b and c are the lengths of the sides of an arbitrary triangle. Prove that
a
2
+
b
2
+
c
2
<
2
(
a
b
+
b
c
+
c
a
)
.
To see the solution
register
and get verified.