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I admit that I have degenerated, but I still want to know how to solve Java

2022-02-02 23:55:42 CSDN Q & A

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As shown in the figure, intuition guessed yes 67,
I really can't remember what the specific solution is
Suddenly I saw the expression package pushed to me , It means that the brain that is writing a program is a piece of paste




Refer to the answer 1:

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Got it? , If this is a square . If it's not a square, you have to know the length and width , Then you can use trigonometric functions to do




Refer to the answer 2:



Refer to the answer 3:

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Got it? , If this is a square




Refer to the answer 4:

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