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Given below is a picture of a car (from top view). Find out on which side is the steering wheel - left or right.

enter image description here

Source: Geometry Olympiad in honour of I. F. Sharygin, 2007

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    $\begingroup$ Please make sure your answer adds something to the existing answers before posting. Thank you! $\endgroup$
    – user20
    Commented Jun 26, 2016 at 19:18
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    $\begingroup$ On the right side. Because the left side is the rear of the car. $\endgroup$
    – IanF1
    Commented Jun 26, 2016 at 19:47
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    $\begingroup$ @Servaes We have two different brand cars have fuel hatches on different sides even though their wheels are on the same side. $\endgroup$
    – Cem Kalyoncu
    Commented Jun 27, 2016 at 10:46
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    $\begingroup$ @Marc There are LHD and RHD versions of the same car model. I don't think many manufacturers take the hassle to also flip the fuel hatch, the fuel pipe, the tank, parts of the trunk's interior, maybe the exhaust &c. So basically no real connection between steering wheel and fuel hatch. $\endgroup$
    – JimmyB
    Commented Jun 27, 2016 at 14:45
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    $\begingroup$ Both cars are Japanese manufactured, Mazda and Toyota and RHS. A newer Toyota car I have seen has its fuel hatch on left side as well, but that older model has it on the right. $\endgroup$
    – Cem Kalyoncu
    Commented Jun 27, 2016 at 15:53

5 Answers 5

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Judging from the mirrors' angles, the driver sits on the right side.

Added an image for clarification:

enter image description here Not really geometrically perfect, but I hope it provides a little more understanding ;-)

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    $\begingroup$ This answer is correct but would be better with some more explanation. $\endgroup$
    – R.. GitHub STOP HELPING ICE
    Commented Jun 27, 2016 at 1:42
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    $\begingroup$ I've added a sketch to the solution now, hopefully providing a better undstanding. $\endgroup$
    – Carl Löndahl
    Commented Jun 27, 2016 at 6:40
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    $\begingroup$ Is there any model of car which has an adjustable mirror housing? As far as I can tell, once cars were built with casing around the mirror, the casing locked into it's operating position and the mirror (invisible in the picture) moved within the case. $\endgroup$
    – Roland
    Commented Jun 27, 2016 at 19:11
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It's on the right side from the perspective of how the image appears. In other words, if you rotated the image 180°, it would be on the left. As far as determining whether it would be normal for the US or the UK, that can't be determined from the image.

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    $\begingroup$ how would rotating the car change where the wheel is? $\endgroup$
    – njzk2
    Commented Jun 27, 2016 at 2:46
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    $\begingroup$ @njzk2. The steering wheel is closer to the front of the car than to the rear. Since the front of the car is on the right, the steering wheel must be on the right. If you rotated the car so the front was on the left, the steering wheel would have to be on the left as well. $\endgroup$
    – User4407
    Commented Jun 27, 2016 at 4:33
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    $\begingroup$ I think you mean reflected the image. If you rotated it, the steering wheel would remain on the same side of the car, just as it would if you spun a car around physically. (A reflection isn't something we can perform with an actual object; we can only do it with a mirror.) $\endgroup$
    – jpmc26
    Commented Jun 27, 2016 at 8:13
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    $\begingroup$ @jpmc26 The question doesn't ask which side of the car the steering wheel is on. If you rotate it, the steering wheel would still be on the same side of the car, but it would also be on the left side since the front of the car would then be on the left side and the steering wheel is in the front of the car. $\endgroup$
    – David Schwartz
    Commented Jun 27, 2016 at 9:19
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    $\begingroup$ I declare the question ambiguous enough to upvote this answer. $\endgroup$
    – John
    Commented Jun 27, 2016 at 19:37
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I think its on right side by seeing the mirror image and the image angle

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Right, side mirror angle of right side is more than that of left & also on the top of picture a text " car" is there that shows the driver seat is in right side

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right. according to wing mirrors.

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