Study the map extract provided on a scale of I 100,000 and answer the questions that follow. (Attach the topographical map extract to this answer booklet).
(a) On the topographical map extract, mark and name the following features using the letters in the bracket: (i) the 1460 Primary Trigonometrical Station (PTS); (ii) col (CL); (iii) gentle (GS); (iv) an area that rises above 1900 feet in the north (ARS); (v) a confluence in the northwest (CF).
(b) Calculate the gradient along line A to B, (Use the metric method of measurement) (c) Using evidence from the map, outline three reasons for which FUTUK is likely to be a more important settlement than Lungo.
(a) Marking and Naming of features on the Map Extract:- (i) the 1460 Primary Trigonometrical station (PTS) (ii) col (CL) (iii) gentle slope (GS) (iv) an area above 1900 feet in the north (ARS) (v) a confluence in the northwest (CF)
(b) calculation of Gradient Along Line A to B:-
Gradient = Vertical Interval = V.I
Horizontal Equivalent H.E
V. I. = 2000ft 1100ft = 9007ft
I inch= 2.54cm
V. I. = 900ft x 12 x 2.54cm
Length of line A to B = 12cm
Scale of the map = 1:100,000
=lcm represents 1 km
H. E. = 12cm x 100,000
Gradient = 900 x 12x2.54cm
12 x 100,000
= 27.432
1,200,000
= 1
43.74
Gradient = I in 44
(c) Reasons Why FUTUK is Likely to be a more Important Settlement than Lungo- -There is a market (trading centre) at FUTUK but there is none at Lungo -There is a school (educational centre) at FUTUK whereas there is no school at Lungo -There is a minor road at FUTUK whereas only footpaths are in Lungo -FUTUK is a built-up area whereas Lungo is not -FUTUK is larger in size than Lungo -FUTUK is a main town whereas Lungo is a village- FUTUK settlement covers a larger area than Lungo settlement.
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