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A plastic box 1.5m long 1.25m wide and 65cm deep is to be made It is opened at the top ignoring the thickness of plastic sheet determine

Posted by Fazil Khan 4 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Narender Kumar 4 years, 8 months ago

i) The area of the sheet required for making the box is 5.45 meter square. ii) The cost of sheet is Rs. 113.447. Step-by-step explanation: Given : A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It is opened at the top. Ignoring the thickness of the plastic sheet. To find : (i) The area of the sheet required for making the box. (ii) The cost of sheet for it, if a sheet measuring 7m×3.5m costsर 510. Solution : i) The dimension of the box is Length l= 1.5 m Breadth b= 1.25 m Height h= 65 cm = 0.65 m Area of the sheet required is The area of the sheet required for making the box is 5.45 meter square. ii) The cost of sheet for it, if a sheet measuring 7m×3.5m costsर 510. i.e, area of sheet 24.5 meter square cost Rs.510 So, 1 meter square cost Now, The cost of 5.45 meter square cost Therefore, The cost of sheet is Rs. 113.447. Read more on Brainly.in - https://brainly.in/question/2811940#readmore

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CBSE > Class 09 > Mathematics