A sheet of paper is 30 cm long and 20cm wide A strip of width 2.5cm is cut out from all around it. Find the area of strip and the remaining sheet of paper
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Answer:
area of sheet paper = length×breath
= 30 × 20
=600sq cm
area of the sheet = 2.5× 30 cm
= 75sq cm
the area of remaining paper = 600 - 75
= 525 sq cm
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Answer:
Solution: Area of the sheet of paper
-Length x Breadth
=(30 x 20) cm²
= 600 cm²
Length of sheet after cutting 2.5 cm strip/
=(30-2.5-2.5) cm = 25 cm
Breadth of sheet after cutting 2.5 cm strip
=(20-2.5-2.5) cm = 15 cm Area of the remaining sheet (25 x 15) cm²
= 375 cm²
Area of the strip
= Area of original sheet - Area of remaining sheet
= (600-375) cm?
=225 cm²
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