Question

In A ABC, ZC is an acute angle, seg AD I seg BC. Prove that: AB' = BC + AC? - 2BC X DC ​

Answer 1

Answer:

First-Method:- ABC is a right angled triangle in which angle A=90° and AD is perpendicular to BC. Thus , In right angled triangle ABC , AB^2+AC^2=BC^2…

Top answer · 10 votes

This can be proved in various ways. Let me try one, Refer following figure, Refer triangle, ...

First-Method:- ABC is a right angled triangle in which angle A=90° and AD is perpendicular ... M

1

Answer Traingles (ADB ) AND (ACD) are similar. One angle being 90 degree, angles (DAB) AND ... More

6 votes

Since , ∆ABC is right triangle (right angled at A) , so by Pythagoras theorem