A square piece of side 4 m is cut out from a plane cardboard. Find the perimeter of the remaining cardboard piece.

16 m

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20 m

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36 m

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64 m

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Solution

The correct option is C 36 m
Perimeter of the original rectangle = 10 m + 8 m + 10 m + 8 m = 36 m

Here, when the square of side 4 m is cut off, the boundary loses two sides of 4 m each and gain another two sides of 4m each.

So, New Perimeter = 36 m - 4 m - 4m + 4 m + 4 m = 36 m

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A square piece of side 4 m is cut out from a plane cardboard. Find the perimeter of the remaining cardboard piece.

The correct option is C 36 mPerimeter of the original rectangle = 10 m + 8 m + 10 m + 8 m = 36 m Here, when the square of side 4 m is cut off, the boundary loses two sides of 4 m each and gain another two sides of 4m each. So, New Perimeter = 36 m - 4 m - 4m + 4 m + 4 m = 36 m

The correct option is C 36 m
Perimeter of the original rectangle = 10 m + 8 m + 10 m + 8 m = 36 m

Here, when the square of side 4 m is cut off, the boundary loses two sides of 4 m each and gain another two sides of 4m each.

So, New Perimeter = 36 m - 4 m - 4m + 4 m + 4 m = 36 m