Question

a sheet of paper measure 25cm by 20cm 2 cm wide is cut from it all around find the area of the remaining sheet and also the area of the strip cut out​

Answer 1

Answer:

Area of sheet of paper =35×25=875cm

2

Area of piece cut out=[25×5×2+(35−10)×5×2]cm

2

Area of remaining portion=875cm

2

−500cm

2

=375cm

2

Step-by-step explanation:

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Answer 2

QUESTION :-

A sheet of paper measures 25 cm by 20 cm. A strip 2 cm wide is cut from it all area of the remaining sheet and also the area of the strip cut out.

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length of sheet of paper = 25 cm

breadth of sheet of paper = 20 cm

area of paper = l × b = 25 × 20 = 500 sq cm

width of strip cut all around = 2 cm

the length of remaining paper will be = 21 cm

the breadth of remaining paper will be = 16 cm

area of remaining paper = l × b = 21 × 16 = 336 sq cm

area of strip = area of original paper - area of remaining paper

⟹500 - 336

⟹ 164 sq cm

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