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The inradius of an equilateral triangle is 23cm. What is the circumradius (in cm) of the same triangle? |
46 cm 48 cm 44 cm 42 cm |
46 cm |
The ratio of inradius to circumradius of an equilateral triangle is = 1 : 2 Therefore, if inradius = 23 cm Then, circumradius = 2×23= 46 cm |