Triangle ABC is a night triangle with CD I AB Angle C is a right angle
Use the drop-down...
Mathematics, 11.02.2020 05:28 shortty1111
Triangle ABC is a night triangle with CD I AB Angle C is a right angle
Use the drop-down menus to complete the proof of the Pythagorean theorem
By the 1 Angie-Angie Similarity Postulate A ACB~AADC and A ACB~ACDB.
Since similar triangles have 2 proportional sides,
B B C and PE = AD Using cross
multiplication gives the equations (BC)² = (BD) (BA) and (AC)² = (AD) (AB). Adding these
together gives (BC)2 + (AC)} = (BD) (BA) + (AD) (AB). Factoring out the common segment
gives (BC)? + (AC)2 = (AB) (BD + AD). Using 3 segment addition postulate gives
(BC)2 + (AC)} = (AB)(AB), which simplifies to (BC)2 + (AC)2 = (AB)2
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