For proof 11, why is a squared equal to (c - b)(c + b) ? I would understand the proof if I could get that one part. Pythagorean Theorem and its many proofs
Follow Math Help Forum on Facebook and Google+
Originally Posted by Lord Darkin For proof 11, why is a squared equal to (c - b)(c + b) ? I would understand the proof if I could get that one part. Pythagorean Theorem and its many proofs According to the Pythagorean theorem You can rewrite it as The factors of
Originally Posted by Lord Darkin For proof 11, why is a squared equal to (c - b)(c + b) ? I would understand the proof if I could get that one part. Pythagorean Theorem and its many proofs looking at triangle triangle GFH , length "a" is the altitude to the hypotenuse. using similar triangles GFH, GKF, and FKH, the following ratio between corresponding sides can be made ... cross-multiply and you're there.
Thanks. I got it now.
View Tag Cloud