_________ mirror is suitable on ATMs so that people are aware if anyone is sneaking up on them.
A
Convex
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B
Cylindrical
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C
Plane
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D
Concave
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Solution
The correct option is A Convex Convex mirrors are usually placed on top of the ATM machines. These mirrors provide a wider viewing angle than a plane mirror. This wide angle will help you getting more information/overview of whats behind you.