Question

if triangle ABC ,AB=5,BC=12,AC=13cm, then angle B is? ​

Answer 1

Answer:

ANSWER

In △ABC

(AB)

2

+(BC)

2

=(5)

2

+(12)

2

=25+144=169

(AC)

2

=13

2

=169

AB

2

+BC

2

=AC

2

By converse of Pythagoras theorem

△ABC is right angle triangle, in which

∠B=90

o