Question

help!! the assignment is on quadrilaterals, similar triangles, and circles! I really need this answered! answer in paragraph proof

8) Prove: In a parallelogram, the sum of squares of the lengths of its diagonals is equal to the sum of
squares of the lengths of its sides.

Image Transcription

8) Prove: In a parallelogram, the sum of squares of the lengths of its diagonals is equal to the sum of squares of the lengths of its sides.

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Math
Geometry