C-11-Q140mediumsingle_mcq

Sides of a triangle in ratio $3:5:7$ , perimeter $45$ cm. The longest side is—

The perimeter is divided into $3+5+7 = 15$ parts, so each part $= \dfrac{45}{15} = 3$ cm. The longest side cm.

140/180

এই অধ্যায়ের আরও প্রশ্ন

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C-11-Q149

25

25

25

= 7 \times 3 = 21