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5. A rectangular mat of 5 m x 3.5 m had a border of width 1.8 m all around it. If the cost of the matis 272/m?, find the cost for bordering the mat.please explain with full answer |
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Answer» Answer: area of RECTANGULAR mat= area of border Step-by-step explanation: Rectangular mat length(L)=5m breadth (B)= 3.5m area of rectangular mat = l×b =5×3.5 =17.5m2 Rectangular mat (with border) length (l)=5m+1.8m=6.8m breadth (b)=3.5m+1.8m=5.3m area of rectangular mat with border=l×b =6.8m×5.3m =36.04m2 area of border=area of rectangular mat- area of rectangular mat with border =17.5-36.04 =18.54m2 cost of 1m2=Rs.272 cost of 18.54m2=272×18.54 =Rs.5,042.88 Hence,the cost of border is Rs.5,042.88 |
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