Practicing Success
The inradius of an equilateral triangle is 11cm. What is the circumradius (in cm) of the same triangle? |
24 cm 22 cm 28cm 20 cm |
22 cm |
The ratio of inradius to circumradius of an equilateral triangle is = 1 : 2 Therefore, if inradius = 11cm Then, circumradius = 2×11= 22 cm |