(i) In triangle ABC, AB=6√3 cm, AC = 12 cm and BC = 6 cm then angle A=? (A) 30° (B) 60° (C) 90° (D) 45°
Answers
Answered by
0
Step-by-step explanation:
Given:
In △ABC
AB=6
3
cm
AC=12cm
BC=6cm
Solution:
AC
2
=144
AB
2
=108
BC
2
=36
Since,
AC
2
=AB
2
+BC
2
∴ By Converse of Pythagoras Theorem,
△ABC is an Right Angle Triangle at B.
∴∠B=90
o
Similar questions