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The in-radius of an equilateral triangle is of length 3 cm...

This question belongs to Arithmetic Ability Triangles
Triangles
?

The in-radius of an equilateral triangle is of length 3 cm. Then the length of each of its medians is

Answer & Solution
Correct Answer: Option D
According to question,
Triangles mcq solution image
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
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