# NSAA 2018 Section 1 Part A Question 13

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#1
Would anyone be kind enough to help on this question?
answer is E - 290, but I keep getting F - 315.

Thank you

Q is 5 km away from P on a bearing of 065°
R is 5 km away from Q on a bearing of 155°
What is the bearing of P from R?

A 070°
B 110°
C 225°
D 270°
E 290°
F 315°
G 335°
1
1 month ago
#2
(Original post by harlem)
Would anyone be kind enough to help on this question?
answer is E - 290, but I keep getting F - 315.

Thank you

Q is 5 km away from P on a bearing of 065°
R is 5 km away from Q on a bearing of 155°
What is the bearing of P from R?

A 070°
B 110°
C 225°
D 270°
E 290°
F 315°
G 335°
Here's a diagram showing everything. I'm not sure how you got 315 (what are your workings), but here's how you get to the right answer, 290°.
1
1 month ago
#3
It says "R is 5 km away from Q on a bearing of 155°" .... if you misread it as bearing of R from P is 155 then you end up with 315!
2
#4
I have the exact same diagram, but I kept measuring the clockwise angle between QR and PR,
instead of the angle between the upwards vertical from R and PR.
sorry to waste your time on such silliness
thank you
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