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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 |
