area of rectangle if length is twice of breath and breadth is 10 metreएरिया ऑफ रेक्टेंगल इस लेंटिस्क वाइफ ऑफ बर्थ एंड डेथ इज 10 मीटर
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Step-by-step explanation:
Let the length be 2x and breadth be x
then,
Area, 2x
2
=288
⇒x
2
=144
⇒x=12
∴2x=24
Hence length=24,breadth=12
∴Perimeter =2(12+24)=72cm
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