The inradius of an equilateral triangle is 12cm. What is the circumradius (in cm) of the same triangle?

28 cm 30 cm 24 cm 26 cm

24 cm

The ratio of inradius to circumradius of an equilateral triangle is = 1 : 2 Therefore, if inradius = 12cm Then, circumradius = 2×12= 24 cm