The plan of a school is shown in the square grid.

  1. (a)

    Devi walked directly from the canteen to the field in a straight line.

    In which direction did she walk?

  2. (b)

    Shi Ling stood at one of the locations facing the library. After she turned 45°45\degree anticlockwise, she faced the dental clinic.

    Which location was Shi Ling at?

Recognising angles and their sizes中文
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Worked solution

25(a)

1. Determine the relative position of the field from the canteen

The field is located above (North) and to the left (West) of the canteen on the grid.

2. State the compass direction

A movement that is both North and West corresponds to the North-West direction.

Answer

North-West

25(b)

1. Identify the relative positions of the library and dental clinic from the garden.

From the garden, the library is located to the South-West.
The dental clinic is located directly South of the garden.

2. Apply the 45° anticlockwise turn to verify the location.

Facing South-West (towards the library) and turning 45∘45^\circ anticlockwise results in facing South.
Since the dental clinic is directly South of the garden, this matches the given conditions perfectly.

Answer

Garden

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