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Ibu Meng mempunyai $3$ potong lidi dengan panjang sama, yaitu $\\var{a}$ cm. Beliau ingin membuat sebuah trapesium dari lidi-lidi tersebut dengan menambahkan sebuah lidi dengan panjang $b$ cm. Misalkan $A$ adalah luas trapesium yang terbentuk. 

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Jika $A>k\\sqrt{3}$ cm$^2$, maka nilai $k$ terbesar yang mungkin adalah $\\ldots$.

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Nilai $b$ sehingga nilai $A$ maksimum adalah $\\ldots$.

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Nilai maksimum dari $A$ adalah $m\\sqrt{3}$ cm$^2$. Nilai $m$ adalah \\(\\ldots\\).

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