the length of a side of a square cardboard is 14cm . from its four corners, squares of side 1cm are cut off. what is the area of the remaining portion? and its perimeter?
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area = 196
perimeter of square = 4a= 52
perimeter of square = 4a= 52
Nandhana1:
how get the 52 here
Answered by
7
Side of big square =14cm
Side of the small square =1cm
Area of big square = (side)(side)
= 14*14 = 196 cm sq
Area of one small square =1*1=1 cm sq
Area of 4 small squares = 4*1 =4
Area of the remaining portion = area of big square - area of small squares =196-4=192cm sq
It's perimeter = 12+1+1+12+1+1+12+1+1+12+1+1=56 cm
Hope it will help you......
Plz mark it as a brainliest answer..
Side of the small square =1cm
Area of big square = (side)(side)
= 14*14 = 196 cm sq
Area of one small square =1*1=1 cm sq
Area of 4 small squares = 4*1 =4
Area of the remaining portion = area of big square - area of small squares =196-4=192cm sq
It's perimeter = 12+1+1+12+1+1+12+1+1+12+1+1=56 cm
Hope it will help you......
Plz mark it as a brainliest answer..
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