Question

length and breath of floor is 19 m and 20 m respectively .A carpet is placed on the floor leaving a space of 3.5m all around . Calculate the area of the uncovered portion of the floor.
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Answer 1

please mark as brainliest

Answer 2

Refer to the attachment

$\bold{ \red{area \: of \: the \: remaining \: portion = 224m ^{2} }}$