Lessons for 8.G.B.6
Proving the Pythagorean theorem by rearrangementFitting four copies of one right triangle into a square in two different ways.Lesson
Proving the Pythagorean theorem with similar trianglesThe altitude to the hypotenuse makes two similar copies whose ratios combine into the theorem.Lesson
Converse of the Pythagorean theoremIf the squares add up, the angle is right.Lesson
The Pythagorean theoremIn a right triangle, the squares on the legs add to the square on the hypotenuse.Lesson
Printable Worksheets
Proving the Pythagorean theorem by rearrangement worksheet (PDF)Printable worksheet with answer keyPreview
Proving the Pythagorean theorem with similar triangles worksheet (PDF)Printable worksheet with answer keyPreview
Converse of the Pythagorean theorem worksheet (PDF)Printable worksheet with answer keyPreview
The Pythagorean theorem worksheet (PDF)Printable worksheet with answer keyPreview