Task #2 Directions: Complete the two column proof in order to prove A AED A BEC. Mark up the diagram Given: Parallelogram ABCD Statement Reason Opposite sides are congruent Diagonals bisect each other Prove: AED A BEC B. C E.

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A: Our Aim is to tell whether a rhombus is a special case of paralleogramor not.

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Q: Prove that Lambert and Saccheri quadrilaterals are parallelograms.

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Q: ) Explain why the triangles are congruent.

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A: We prove, opposite sides are equal or congruent in lenth.