The sides of a triangle are k, 1.5k, and 2.25k. What is the sum of the squares of its medians?
399k²/64
The formula for the sum of the squares of the medians of a triangle with sides a, b, and c is given by:
Sum of squares of medians = (3/4) * (a² + b² + c²)
Here, the sides are k, 1.5k, and 2.25k. Substituting these values and simplifying will give the answer as (d) 399k²/64.
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