Question

189) The correct order of stability of following
radicals is
I
II
IV
V
1) I > II > V > III > IV
2) IV > II > I >V > III
3) IV > II > I > III > V
4) II > IV>I>V > III​

Answer 1

Explanation:

Perimter=sum of all lengths of sides of triangle

⇒ Perimeter =3a {a= side of triangle }

⇒45=3a

⇒a=15cm.