SIGN UP FOR FREE !
Home
/ Forum
User Forum
Ask Your Question
Achintya k j
from
KENDRIYA VIDYALAYA GOLE MARKET, NEW DELHI
Subject :
IMO
Class :
Class 7
In the following figure, if AB = AC, then x is
A
80°
B
70°
C
60°
D
110°
please explain
View All Answers (3)
Ans 1:
×
Edit Post
Post
Angle BAC = x + 40 - x => 40 As triangle ABC is an isosceles triangle with AB = AC, angle acb = angle abc = x Therefore, as angle abc + angle acb + angle bac = 180 then, x + x + 40 = 180 =>2x = 180 - 40 =>2x = 140 =>x = 70
from
, Kolkata
Class :
Class 9
Angle BAC = x + 40 - x => 40 As triangle ABC is an isosceles triangle with AB = AC, angle acb = angle abc = x Therefore, as angle abc + angle acb + angle bac = 180 then, x + x + 40 = 180 =>2x = 180 - 40 =>2x = 140 =>x = 70
Ans 2:
×
Edit Post
Post
d
from
DPS R.K. PURAM,
Class :
Class 9
d
Ans 3:
×
Edit Post
Post
D
Keshav
from
RPS , Mahendergarh
Class :
Class 7
D
Submit Your Answers
Post Your Answer