Question
State and prove the Pythagoras theorem.
Answer: In right △ABC, draw BD ⟂ AC. Using similarity, AB²=AC·AD and BC²=AC·DC. Add to get AC²=AB²+BC².
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Question
Answer: In right △ABC, draw BD ⟂ AC. Using similarity, AB²=AC·AD and BC²=AC·DC. Add to get AC²=AB²+BC².
Question
Answer: In right △ABC, draw BD ⟂ AC. Using similarity, AB²=AC·AD and BC²=AC·DC. Add to get AC²=AB²+BC².