In the given figure, ΔABC is an obtuse triangle, obtuse angled at B. If AD⊥CB , then prove that AC2 = AB2 + BC2 + 2BC.BD

In the given figure, ΔABC is an obtuse triangle, obtuse angled at B.

1.	In the given figure, ΔABC is an obtuse triangle, obtuse angled at B. If AD⊥CB , then prove that AC2 = AB2 + BC2 + 2BC.BD
Answer» In the given figure, ΔABC is an obtuse triangle, obtuse angled at B. If AD⊥CB , then prove that AC² = AB² + BC² + 2BC.BD ?