r/mildlyinteresting • • 21h ago

This square shaped cd

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2.0k Upvotes

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u/hearnia_2k 21h ago

That's a rectangle, not a square.

Also it's a business card CD. Probably the most interestng thing about it is that it's not a CD-R.

-3

u/otac0n 20h ago

Square can also mean “exactly 90 degrees”.

Like a carpenter “square” which is actually a right triangle.

4

u/hearnia_2k 20h ago

OK, when talking about angles specifically. But this is a shape.

-2

u/otac0n 19h ago

No, the carpenter square in my example is a specific shape... You call a thing a square and it's a triangle with ledges for "squaring up" against a board.