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Numeracy Higher November 2018 Unit 1 Q5

5. The picture shows a mountain hut.
The hut

  • stands on a rectangular base,
  • has a uniform cross-section.
Front view of a mountain hut: a rectangular stone wall with a triangular pitched roof
(a)

Draw a sketch of the plan view of the mountain hut. [1]

(b)

This mountain hut is shown on a map.
The scale of the map is 1 : 50 000.
On the map the mountain hut is 4·2 cm from a farmhouse.
How far away is the hut from the farmhouse?
Give your answer in km. [3]

Distance is …………… km

(c)

The map below shows the placement of four wind turbines, and a road connecting two of the turbines.

A new wind turbine, Efail, is to be built.
It is to be placed

  • on the road connecting Bryn turbine and Cwm turbine, and
  • on the perpendicular from Aber turbine to the road.

The map is drawn using a scale of 2 cm represents 1 km.

How far will Efail turbine be from Dŵr turbine?
You must use constructions to answer this question, using only a pair of compasses and a ruler. [4]

Scale 2 cm represents 1 km

Map with points Aber turbine (top), Bryn turbine and Cwm turbine joined by a straight road, and Dŵr turbine (bottom left)

On screen this diagram may not be shown at actual size. To measure it, use the question paper (PDF) printed at 100%.

Distance is …………… km