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WAEC Mathematics 2023 Paper

Question : 26

Total: 50

Solution:

Concept:

90^\circ

anticlockwise turn reduces the ordinary bearing (measured clockwise from north) by

90^\circ

Explanation:

Facing

S35^\circ E

means the direction is

35^\circ

east of south.

Measured clockwise from north, this is:

180^\circ - 35^\circ = 145^\circ

After turning

90^\circ

anticlockwise, subtract

90^\circ

from the bearing:

145^\circ - 90^\circ = 55^\circ

A bearing of

55^\circ

clockwise from north is read as

N55^\circ E

Answer:

N55^\circ E

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