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What is the perimeter of rectangle if it’s one side is 24 cm and length of diagonal is 25 cm?1. 60 cm2. 62 cm3. 70 cm4. 72 cm |
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Answer» Correct Answer - Option 2 : 62 cm Given: Length of diagonal of rectangle is 25 cm And one of its sides is 24 cm Formula used/Concept Used: Length of diagonal of rectangle = √(length2 + Breadth2) Perimeter of rectangle = 2 × (Length + Breadth) Calculation: Let the other side of rectangle is x ∴ 25 = √242 + x2 Squaring both sides ⇒ x2 = 49 ⇒ x = 7 cm Now, Perimeter of rectangle = 2 × (24 + 7) = 2 × 31 = 62 cm ∴ Perimeter of rectangle is 62 cm |
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