Question

In an equilateral triangle the inradius and the circum radius are connected by –

• A. r = 4 R
• B. r = R / 2
• C. r = R / 3
• D. None of these

Answer 1

Answer: (B)

r = R / 2

Answer 2

R = = $\frac { x } { 2 \sin 60 }$ =

r =

$\frac { \mathrm { R } } { \mathrm { r } }$ = 2 ̃ r =