e. large-scale maps ii. small-scale maps iii. both iv. none forms the arch of a mountain. 1. Anticline ii. Meander iii. River iv. Delta 2. Name the following. A large natural stream of water that flows from higher to lower ground b. The small rivers that join the main river and enlarge its volume The triangular-shaped alluvial deposits near the mouth of the river d. The up-fold part of a fold mountain The down-fold portions or troughs of a fold mountain a. C. 3. State whether the following statements are 'true' or 'false'. a. Maps are never drawn to a scale. b. Plans do not take much time to prepare. C. The type of information that a map shows determines its title. d. Distance is an important component of a map. The four directions-north, south, east and west-are called the intermediate directio e. 4. Answer the following questions.
Answers
Answer:
Scales are used on maps in the same way that they are used in plans.
A scale of 1 : 50 000 is used on many Ordnance Survey maps.
This means that 1 cm on the map represents an actual distance of 50 000 cm (or 500 m or 0.5 km).
Converting measurements on a map
We saw above that if a map has a scale of 1 : 50000, then 1 cm on the map is 50000 cm in real life.
(a) Imagine we have measured a distance as 3 cm on this map, and we want to find out how far this is in real life.
To work out the distance in real life, we need to multiply this length by 50000.
This gives 3 cm × 50000 = 150000 cm which is 1500 m or 1.5 km.
Alternatively, we could have just remembered that each 1 cm on the map is 0.5 km in real life.
Hence, 3 cm on the map must be 3 × 0.5 km = 1.5 km in real life
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