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Dissecting Triangles

Dissecting Triangles 1.6 - Solution

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The Triangle Midsegment Theorem tells us that, if a segment joins the midpoints of two sides of a triangle, then the segment is half as long as the third side.

We are told that is a midsegment of Therefore, by the previous theorem, we can write an equation connecting and Now, we can find the value of by substituting the given values into this equation.