**maximum** possible **perimeter** of an triangle (**XYZ**) which is inscribed in
an another **acute** angled Triangle(**ABC**). And It is given that circum-radius of
outer Triangle is **R**

**DETAILS AND ASSUMPTIONS**

$\bullet$ Inner Triangle XYZ (as shown above) **must touches** the all 3 sides Of Outer Triangle ABC

$\bullet$ Use **R=1**