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Draw a parallelogram of diagonals 5cm and 7 cm and one angle as 60 degrees

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  1. We know that diagonals of parallelograms bisect each other.
    Using this fact, we would draw two intersection lines with an included angle of 60° (and 120°).
    From the intersection, measure out four vertices 5/2=2.5 cm on each side of one line, and 7/2=3.5 cm on each side of the other.
    Join adjacent vertices to complete the required parallelogram.

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    posted by MathMate

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