Saved Bookmarks
| 1. |
If triangle ABC ,AB=5,BC=12,AC=13cm, then angle B is? |
|
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
|
|