or
or
Let the width and length be W & L respectively.
Then, area = W x L
Width after 30% reduction = 0.7W
Length after 10% reduction = 0.9L
New area = 0.7W x 0.9L = 0.63 W x L (which is 63% of initial area)
আপনি আমাকে যেকোনো প্রশ্ন করতে পারেন, যেমনঃ
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