TEXTBOOK REFERENCE · GANITA MANJARI
Exercise Set 1.1(i) · Open official source ↗
Fig. 1.3 shows Reiaan’s room with points OABC marking its corners. The x- and y-axes are marked in the figure. Point O is the origin.
Referring to Fig. 1.3, answer the following questions:
(i) If represents the door to Reiaan’s room, how far is the door from the left wall (the y-axis) of the room? How far is the door from the x-axis?
AIMS worked solution
AIMS SOLUTION / EXPLANATION
O · · · ·
Given:
The opening runs along y = 0 from x = 8 to x = 11.5.
To Find:
Its separation from the walls represented by the axes.
Property:
Distance to y-axis is |x|; distance to x-axis is |y|.
Solution:
Every point of the opening lies on the x-axis, so its distance from that axis is 0.
Its nearest endpoint to the y-axis is at x = 8.
Results:
The opening starts 8 ft from the left wall and lies on the x-axis. Distances of individual points from the y-axis range from 8 to 11.5 ft.
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