C-11-Q140: Sides of a triangle in ratio $3:5:7$, perimeter $45$ cm. The longest s…

C-11-Q140: Sides of a triangle in ratio $3:5:7$, perimeter $45$ cm. The longest s… | প্রশ্ন করি

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Sides of a triangle in ratio 3:5:73:5:73:5:7, perimeter 454545 cm. The longest side is—