A boy has a square paper sheet. He cuts four identical rectangles from each corner of the sheet. What is the total length of boundary of the remaining part of the sheet?
A 144 cm
B 48 cm
C 72 cm
D 60 cm
How did this happen ?
Ans 2:
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Ans 7:
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Ans 12:
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Class : Class 5
read properly; it says he cut the rectangles, so it becomes a square. therefore, 12into4= 48