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એક લંબચોરસનું ક્ષેત્રફળ $48$ cm² અને પહોળાઈ $6$ cm છે. તેની લંબાઈ શોધો.

A$6$ cm
B$8$ cm
C$10$ cm
D$12$ cm
Answer & Solution
Correct answer: B. $8$ cm
લંબાઈ $= \dfrac{\text{ક્ષેત્રફળ}}{\text{પહોળાઈ}} = \dfrac{48}{6} = 8$ cm.
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