Find half the side length of an equilateral triangle — task. Maths CBSE Homework Assignments, Class 7.

The perimeter of the equilateral triangle \(DEF\) is 81 \(yards\). Calculate the length \(MF\) if \(EM\) is the median of the triangle \(DEF\).

The length \(MF\) of the triangle \(DEF\) is \(yards\).

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3. Find half the side length of an equilateral triangle