The circumradius of an equilateral triangle is 8 cm. The inradius of the triangle (a) 3.25 cm     (b) 4 cm      (c) 3.5 cm      (d) 4.25 cm

Draw equilateral triangle, side= 3.8 cm.

If inradius of an equilateral triangle is 3 cm. Find the height of this Delta

If the circumradius of an equilateral triangle ABC be 8 cm, then the height of the triangle is

The inradius of an equilateral triangle is sqrt(3)cm, then the perimeter of that triangle is

The inradius of an equilateral triangle is sqrt(3)cm , then the perimeter of that triangle is

Find the inradius of equilateral triangle with side 6cm.

The area of incircle of an equilateral triangle is 154\ c m^2 . The perimeter of the triangle is (a) 71.5 cm (b) 71.7 cm (c) 72.3 cm (d) 72.7 cm