Which of the following is equiangular and equilateral?
Analyze the diagram below and complete the instructions that follow. Given the diagram of parallelogram LMNO, solve for r.

Analyze the diagram below and complete the instructions that follow. Find the values of a and b for which LMNO is a parallelogram.

Analyze the diagram below and complete the instructions that follow. The diagonals of parallelogram LMNO, and , intersect at point P. If , , and , find MO.

Quadrilateral JKLM has side lengths of JK = 2y + 3, KL = 8x – 10, LM = 5y – 6, and JM = 3x + 20. Find the values of x and y that make quadrilateral JKLM a parallelogram.
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