PointsComplete the proof of the Pythagorean theorem.
Given: △ is a right triangle, with
...
Mathematics, 06.02.2021 02:30, kaylaalvarado2018
PointsComplete the proof of the Pythagorean theorem.
Given: △ is a right triangle, with
a right angle at ∠.
Prove: a^2 +b^2 =c ^2
Statement Reason
1. △ ABC is a right triangle, with a right angle
at ∠C.
1. Given
2. Draw an altitude from point C to. 2. From a point not on a line, exactly one perpendicular can be drawn through the point to the line.
3. ∠CDB and ∠CDA are right angles. 3. Definition of altitude
4. ∠BCA ≅ ∠BDC 4. All right angles are congruent.
5. ∠B ≅ ∠B 5.
6. 6. AA Similarity Postulate
7.a/x =c/a
7.
8. a^2= cx 8.
9. ∠ CDA≅ ∠BCA 9.
10. ∠A ≅ ∠A 10.
11. 11. AA Similarity Postulate
Statement/ Reason
12. b/y=c/b= 12.
13. b^2 =cy 13.
14. a^2+b^2=cx+cy 14.
15. 15. Distributive Property
16.x+y=c 16.
17. a^2+b^2=c^2 17.
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