Chapter 1: Orienting Yourself: The Use of Coordinates

Exercise

Question

Question: 3 (iii)

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Look at Reiaan's bathroom

(iii) Mark off a 3 ft × 2 ft space for the washbasin and a 2 ft × 3 ft space for the toilet. Write the coordinates of the corners of these spaces.

Answer

1
Choose suitable positions inside the bathroom for the washbasin and toilet, keeping their given dimensions in mind. Then identify the coordinates of their four corners.
Floor plan of Reiaan's room and bathroom showing the proposed positions of the washbasin and toilet, with coordinate axes and grid.
Proposed positions of the washbasin and toilet in Reiaan's bathroom.
Answer:
Washbasin (3 ft × 2 ft): K = (-0.5, 2), J = (-3.5, 2), G = (-3.5, 0), and I = (-0.5, 0).
Toilet (2 ft × 3 ft): L = (-4, 3), M = (-6, 3), P = (-6, 0), and Q = (-4, 0).
Reason: The positions of the washbasin and toilet are not unique. The arrangement shown is one possible choice, assuming that the shower-area door (SH) opens outward and that some space is kept between the washbasin and toilet. Other suitable positions may also give valid answers.
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