Only if you believe them to be. It's all in your head.
It is not an omen, it is not even particularly lucky either
It is not any kind of omen.
No. It just means a bird is in your tree.
Your sharp eyes serve you well.
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it means the Rabbit Mafia has it out for you.....
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There are different formulae for different shapes.
By finding the total area, you can see if all of the areas of your shapes combined match the total area of the rectangle. It's a safe-check.
strait up yes
An omen is "anything perceived or happening that is believed to portend a good or evil event or circumstance in the future." Finding a four-leaf clover, for example, is commonly cited as an omen of good luck. A bat inside the house, in folk lore, is an omen of death. Omens are events that people believe predict the future.
Its main application is in finding the volumes of 3D shapes