RRB Group-D Model Paper 20 with answers for online practice

Question : 86 of 100

Marks: +1, -0

If Δ ABC is right – angled at B, AB = 6 units, ∠C = 30°, then AC is equal to

Solution:

Δ ABC is right – angled at B
⇒sinc=ABAC
⇒

sin30^{∘}

=6/{AC}
⇒

1/2

6/{AC}

⇒ AC = 12 unit

Go to Question:

Prev Question

Next Question