Side of an equilateral triangle is 12 cm. What will be the radius of incircle of this equilateral triangle ? |
3 cm $4\sqrt{3}$ cm 4 cm $2\sqrt{3}$ cm |
$2\sqrt{3}$ cm |
Side = 12 Inradius of the equilateral triangle = \(\frac{a}{2\sqrt{3}}\) = \(\frac{12}{2\sqrt{3}}\) = $2\sqrt{3}$ cm |