Points P and Q respectively 24m north and 7m east point R. Calculate |PQ| in meters
20
24
25
31
84
Correct answer is C
No explanation has been provided for this answer.
I & III only
I & IV only
II & III only
II & IV only
All of the above
Correct answer is C
No explanation has been provided for this answer.
What is the difference in longitude between P (lat. 50°N. long. 50°W) and Q (lat.50°N, long. 150°W)?
300o
200o
130o
100o
30o
Correct answer is D
Let \(\theta\) be the angular difference between P (50°N. 50°W), and Q (50°N, 150°W),
\(\theta\) = 150° - 50° =100°
4.0m
5.8m
7.1m
8.1m
18.5m
Correct answer is A
No explanation has been provided for this answer.
If cos 60° = 1/2, which of the following angle has cosine of -1/2?
30o
120o
150o
210o
300o
Correct answer is B
cos 60° = 1/2, cos(180° - 60°) = -1/2
cos120° = -1/2