Question
Question: If a, b, c, d are the sides of a quadrilateral, then the minimum value of <img src="https://cdn.pure...
If a, b, c, d are the sides of a quadrilateral, then the minimum value of 
is
A
1
B
½
C
1/3
D
) ¼
Answer
1/3
Explanation
Solution
(a – b)2 + (b – c)2 + (c – a)2 ³ 0
Ž 2Sa2 ³ 2Sab
or 3Sa2 ³ Sa2 + 2Sab or 3Sa2 ³ (Sa)2 > d2