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Geometry · Chapter 6 · Lesson 6.12 · Printable PDF

The Quadrilateral Family Tree Worksheet with Answer Key

6 problems on the quadrilateral family tree: which theorems cover which shapes, naming shapes from coordinates, adding facts, impossible descriptions, a count of tiles, and a proof. 3 pages, with a worked answer key.

6 problems3 pagesanswer key
Printable The quadrilateral family tree worksheet with answer key - Geometry (Page 1 PDF preview)
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Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

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What's on the worksheet

  1. Decide which shapes a parallelogram theorem covers.
  2. Name the most specific quadrilateral for sets of points using slopes or lengths.
  3. Name the most specific shape after each added fact about quadrilateral ABCD.
  4. Decide whether each student's described quadrilateral can exist.
  5. Count Mei's tiles that are rectangles, rhombuses or both.
  6. Prove that no angle of an isosceles trapezoid is a right angle.

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

The quadrilateral family tree: the lesson ›

More Chapter 6 worksheets: Quadrilaterals and polygons