A sheet of paper measure $35 c m$ by $25 c m$ . A strip $5 c m$ wide is cut from it all around. Find the area of the remaining sheet and also the area of the strip cut out strip.

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Solution

Area of sheet of paper $= 35 \times 25 = 875 {c m}^{2}$
Area of remaining portion $= 25 \times 15 = 375 {c m}^{2}$
Area of cut out strip $= 875 {c m}^{2} - 375 {c m}^{2} = 500 {c m}^{2}$

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A sheet of paper measure 35 cm by 25 cm. A strip 5 cm wide is cut from it all around. Find the area of the remaining sheet and also the area of the strip cut out strip.

Area of sheet of paper =35×25=875cm2Area of remaining portion=25×15=375 cm2Area of cut out strip=875cm2−375cm2=500 cm2

A sheet of paper measure $35 c m$ by $25 c m$ . A strip $5 c m$ wide is cut from it all around. Find the area of the remaining sheet and also the area of the strip cut out strip.

Area of sheet of paper $= 35 \times 25 = 875 {c m}^{2}$
Area of remaining portion $= 25 \times 15 = 375 {c m}^{2}$
Area of cut out strip $= 875 {c m}^{2} - 375 {c m}^{2} = 500 {c m}^{2}$