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1) If you cut the A4 sheet in strips of 3mm width, then find the
(approximate) perimeter of the resulting hollow recta

1 thought on “$<br />1) If you cut the A4 sheet in strips of 3mm width, then find the<br />(approximate) perimeter of the resulting hollow recta”

1. Given :- If you cut the a4 sheet in strips of 3mm width along sides then find the approximate perimeter of the resulting hollow rectangle assuming a4 sheet measures 29.7cm ×21cm ?

   Solution :-

   we have,

   → width of strip = 3mm = (3/10) cm = 0.3 cm.

   so,

   → Length of hollow rectangle = 29.7 – 2 * 0.3 = 29.7 – 0.6 = 29.1 cm .

   and,

   → Breadth of hollow rectangle = 21 – 2 * 0.3 = 21 – 0.6 = 20.4 cm .

   then,

   → Perimeter of resulting hollow rectangle = 2(L + B) = 2(29.1 + 20.4) = 2 * 49.5 = 99 cm (Ans.)

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