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प्रश्न
The length of a rectangle is three times the breadth. If the minimum perimeter of the rectangle is 160 cm, then ______.
पर्याय
Breadth > 20 cm
Length < 20 cm
Breadth x ≥ 20 cm
Length ≤ 20 cm
MCQ
रिकाम्या जागा भरा
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उत्तर
The length of a rectangle is three times the breadth. If the minimum perimeter of the rectangle is 160 cm, then breadth x ≥ 20 cm.
Explanation:
Breadth x ≥ 20 cm is the correct choice. If x cm is the breadth, then 2(3x + x) ≥ 160 ⇒ x ≥ 20.
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