MENU
Question -

If the angles A, B and C of ∆ABC satisfy the relation B – A = C – B, then find the measure of ∠B.



Answer -

In ∆ABC,
∠A + ∠B + ∠C= 180° …(i)
and B – A = C – B
 
⇒ B + B = A + C ⇒ 2B = A + C
From (i),
B + 2B = 180° ⇒ 3B = 180°
∠B =  = 60°
Hence ∠B = 60°

Comment(S)

Show all Coment

Leave a Comment

Free - Previous Years Question Papers
Any questions? Ask us!
×