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Geometry · Chapter 4 · Lesson 4.6 · Printable PDF

Planning a Congruence Proof Worksheet with Answer Key

6 problems on planning a congruence proof: listing the parts a figure gives, picking a criterion, completing a plan, and writing it as a two-column proof. 3 pages, with a worked answer key.

6 problems3 pagesanswer key
Printable Planning a congruence proof 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. Name the corresponding parts the figure gives for each pair of triangles in a quadrilateral.
  2. List the congruent angles the Given and figure supply, with x and expressions for segments.
  3. Name the two pairs of parts already in a plan for triangles with a perpendicular from P.
  4. Plan and prove a congruence with four points on a line and segments to a point P.
  5. Write a two-column proof that triangles are congruent from an angle bisector and two perpendiculars.
  6. Check Tomas's plan for a proof that crossing segments make congruent triangles.

Teach it first

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

Planning a congruence proof: the lesson ›

More Chapter 4 worksheets: Triangle congruence and proof