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RRB Junior Engineer Stage 1 Model Papers 6
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© examsnet.com
Question : 13
Total: 99
In a ∆ ABC, BC is extended upto D :
∠
B
=
1
2
∠
A
.
∠
A
Then
√
34
is
60°
75°
80°
90°
Validate
Solution:
∠
A
+
∠
B
=
∠
A
C
D
∠
A
+
1
2
∠
A
=
120
°
3
∠
A
2
=
120
∠
A
=
80
°
© examsnet.com
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