And of Q14 Share with your friends Share 0 Atul Shaw answered this Dear student,Let the length be l and breadth be b.According to the ques.:l=b+8;Length is increased by 7m=l+7=b+8+7=b+15 mBreadth is decreased by 4m= b-4 mArea remains same in both the case.A1= length × breadth= lb=(b+8)bA2=(l+7)(b-4)=(b+15)(b-4)A1=A2(b+8)b=(b+15)(b-4)b2+8b=b2-4b+15b-608b+4b-15b=-60-3b=-60b=20ml=b+8=20+8=28mRegards 0 View Full Answer
