Not as it looks
Geometry
Level
2
We have an angle of 1 and half degree. How big will it look through a glass that magnifies things three times?
4& half degrees
6 degree
5 degree
1&half degree
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1 solution
Most people would make the mistake of thinking that the magnifying glass would increase the angle but it is a great mistake. Yes, the arc measuring the angle increases, but then it's radius increases proportionally too & the result is that the magnitude of the central angle remains unchanged