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Geometry · Chapter 6 · Lesson 6.4 · Printable PDF

Properties of a Parallelogram Worksheet with Answer Key

6 problems on properties of a parallelogram: angles, opposite sides, diagonals, perimeters, bisectors, impossible measurements, and a proof. 1 page, with a worked answer key.

6 problems1 pagesanswer key
Printable Properties of a parallelogram worksheet with answer key - Geometry (Page 1 PDF preview)
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What's on the worksheet

  1. Find all four angles of a parallelogram from sums of its angles.
  2. Find a side and the perimeter from perimeters of triangles made by the diagonals.
  3. Find angles at the crossing of diagonals and give a reason for each.
  4. Find AD and the perimeter when two angle bisectors meet on a side.
  5. Explain why no parallelogram can have the measurements described.
  6. Prove two perpendiculars from opposite vertices to a diagonal are equal.

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The free lesson teaches it with worked examples and practice problems.

Properties of a parallelogram: the lesson ›

More Chapter 6 worksheets: Quadrilaterals and polygons