A tourist visiting Town Hill in Pietermaritzburg requires specific information regarding its location - NSC Geography - Question 2 - 2018 - Paper 2
Question 2
A tourist visiting Town Hill in Pietermaritzburg requires specific information regarding its location.
2.1.1 State the topographic map index/code of Pietermaritzbur... show full transcript
Worked Solution & Example Answer:A tourist visiting Town Hill in Pietermaritzburg requires specific information regarding its location - NSC Geography - Question 2 - 2018 - Paper 2
Step 1
2.1.1 State the topographic map index/code of Pietermaritzburg.
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Answer
The topographic map index/code for Pietermaritzburg is 2930CB.
Step 2
2.1.2 Determine the grid reference/co-ordinates of Town Hill at point N in block F7 on the topographic map.
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The grid reference for Town Hill at point N in block F7 is approximately 29°30'56" S and 30°21'05" E.
Step 3
2.1.3 The tourist wants to hike the Voortrekker Wagon Hiking Trail in block F6 using a compass. Calculate the magnetic declination for 2018. Show ALL calculations.
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To calculate the magnetic declination for 2018, follow these steps:
Difference in Years: 2018 - 2016 = 2 years.
Mean Annual Change: The mean annual change is given as 9'.
Total Change: Total change can be calculated as:
Totalextchange=2extyearsimes9′=18′.
Magnetic Declination for 2018: Starting from the base magnetic declination in 2016 of 24°45' W plus the total change: