The in-radius of an equilateral triangle is of length 3 cm. Then the length of each of its medians is
A. 12 cm
B. $$\frac{9}{2}$$ cm
C. 4 cm
D. 9 cm
Answer: Option D
Solution (By Examveda Team)
According to question,
AO = IR = Circumradius
DO = Ir = Inradius = 3 cm
Median AD = 3 units
1 unit = 3 cm
3 units = 3 × 3 = 9 cm
∴ AD = 9 cm
This Question Belongs to Arithmetic Ability >> Triangles
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