Answer:
They are similar because they both show if a number is greater then another, but > doesn't mean that that number could be equal.
P.S:
I tried but this probably isn't the best answer
They are different because the greater than or equal to symbol is used when something is greater than or equal to a number and the greater than symbol is used only for numbers greater than for example 5 is greater than or equal to 5 but 5 is not greater than 5.
Explanation:
I hope that helped :)
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