Study the map extract on a scale of 1:50,000 and answer the following questions:
(a) Draw an outline of the area to a scale of 1:150,000
(b) On your outline, mark and name:
(i) a nodal settlement;
(ii) one secondary road;
(iii) the trigonometrical station northwest of Kaiama.
(c) Calculate the full length of River Gbesha in the north eastern part of the map from point X
(d) Identify: (i) two land use types in the mapped area;
(ii) three social amenities in Kaiama.
(a) Describe any three of the following survey instruments:
(i) ranging poles; (ii) chain; (iii) cross staff; (iv) arrows.
(b) Outline the processes involved in carrying out a Chain Survey.
(a) (i) With the aid of a diagram, identify the main lines of latitude.
(ii) Calculate the distance between Addis Ababa in Ethiopia (latitude 10°N) and Maseru in Lesotho (latitude 30°S).
(b) (i) Define revolution of the earth.
(ii) Describe how revolution of the earth affects the length of day and night in the Northern Hemisphere.
