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Question

the ratio of two sides of a parallelogram is 4:3. if its perimeter is 56 cm find the length of its side.
 


Solution

Let the lengths of two sides of the parallelogram be 4x cm and 3x cm respectively

⇒ its perimeter = 2(4x + 3x) cm = 8x + 6x = 14x cm. 

∴ 14x = 56 ⇔ x = ⁵⁶/₁₄ = 4. 

∴ one side = (4 × 4) cm = 16 cm and other side = (3 × 4) cm = 12 cm. 

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