1.

Which of the following best describes the values of k, if a, b and c are the lengths of the sides of the triangle and k=(a^2+b^2+c^2)/(ab+bc+ca) ?

Answer»

A.`1leklt2`
B.`0leklt2`
C.`0ltklt9/8`
D.`1lekle2`

ANSWER :A


Discussion

No Comment Found