Curriculum placement
Grade 8. This describes the skill, not a learner estimate.
The Pythagorean theorem
Explain and apply the Pythagorean relationship
Problem types
- Find a missing leg
- Recognize a right triangle from its sides
- Pythagorean theorem
- The diagonal of a box
- Radical and decimal sides of right triangles
- Areas in the rearrangement proof
- Read the proof in the picture
- Order or complete the proof
- Find the flaw in a proof
- The converse and why it holds
- Complete the proof of the converse
- Sort triangles by their sides
Builds on
Leads to
Related skills
- Theorems about similar triangles · Related idea
The two leg relations of a right triangle with its altitude add to give the Pythagorean theorem.
- Solving quadratic equations · Shared foundations
- Scale drawings of lengths and areas · Shared foundations
- Surface area of prisms and pyramids · Shared foundations
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