It happens. Beach cruisers and townies usually have a fair amount of curve in their frame parts.
No
Irregular shapes don't ever have rotational symmetry.
I seriously doubt it.
Literally millions of makes of bicycle have existed, If you are so interested it would be beneficial for you to research it.
Who ever has the highest score after all 10 frames is the winner .
No they can not be congruent because they are different shapes.
There are running shoes with arch support. In fact, they are more in demand than ever! You can find them in places such as Dick's Sporting Goods or any other sporting goods store.
Nobody has ever seriously suggested Russian involvement in the assassination.
a 2d shape can only ever contain 1 face!
A rectangle belongs to the class of 4 sided shapes known as quadrilaterals.
I don't think it was ever made, minecraft has always been in 3d shapes.
Austrian, not Australian. Yes, Glock did offer OD frames, but they have since been discontinued.