the length and breadth of a cuboid are in ratio 5:3. If its height is 7 cm and volume is 2625cm^3, find its length.
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Answer:
25 cm
Step-by-step explanation:
Let the ratio be 5x : 3x.
Volume of cuboid = l × b × h.
Given, Volume = 2625 cm³ and height (h) = 7 cm.
=> 5x × 3x × 7 = 2625
=> 105x² = 2625
=> x² = 2625/105
=> x² = 25
=> x = 5
Length = 5×5 cm = 25 cm
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