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[ 1/1 Equation]
    Work: Find the solution of equation 2*3.14*0.16/360*arccos[(0.4-h)/0.4]-(0.4-h)*[0.16-(0.4-h)^2]^0.5 = 0.016*3.14 .
    Question type: Equation
    Solution:
    the solutions is:
        h≈0.517775 , keep 6 decimal places    
    There are 1 solution(s).    *Note: Radian.

解方程的详细方法请参阅：《方程的解法》

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