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RRB Group-D Model Paper 20 with answers for online practice
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© examsnet.com
Question : 86
Total: 100
If Δ ABC is right – angled at B, AB = 6 units, ∠C = 30°, then AC is equal to
12 units
15 units
8 units
10 units
Validate
Solution:
Δ ABC is right – angled at B
⇒sinc=ABAC
⇒
s
i
n
30
∘
=6/{AC}
⇒
1
2
=
6
A
C
⇒ AC = 12 unit
© examsnet.com
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