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A plastic box 1.5 m long,1.5m wide and 65cm deep,is to be made .it is opened At top.ignoring the thickness of plastic sheet determine: (1). the area of sheet required for making the box. (2). the cost of sheet for it measuring 1m square cost RS. 20.?
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A plastic box 1.5 m long,1.5m wide and 65cm deep,is to be made .it is ...
Length of open plastic box =l=1.5 m
Breadth of open plastic box =b=1.25 m
Height of open plastic box =h=65 cm
Converting into meter
 =65/100= 0.65 m
The area of the sheet required for making the open plastic box =lb+2bh+2hl
(Because it is open from the top)
 =(1.5)(1.25)+2(1.25)(0.65)+2(0.65)(1.5)=1.875+1.625+1.95=5.45  m^2
Cost of one sheet of 1 m^2 = Rs 20
Cost of 5.45 m^2   =20 X 5.45=Rs 109
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A plastic box 1.5 m long,1.5m wide and 65cm deep,is to be made .it is opened At top.ignoring the thickness of plastic sheet determine: (1). the area of sheet required for making the box. (2). the cost of sheet for it measuring 1m square cost RS. 20.?
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A plastic box 1.5 m long,1.5m wide and 65cm deep,is to be made .it is opened At top.ignoring the thickness of plastic sheet determine: (1). the area of sheet required for making the box. (2). the cost of sheet for it measuring 1m square cost RS. 20.? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about A plastic box 1.5 m long,1.5m wide and 65cm deep,is to be made .it is opened At top.ignoring the thickness of plastic sheet determine: (1). the area of sheet required for making the box. (2). the cost of sheet for it measuring 1m square cost RS. 20.? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A plastic box 1.5 m long,1.5m wide and 65cm deep,is to be made .it is opened At top.ignoring the thickness of plastic sheet determine: (1). the area of sheet required for making the box. (2). the cost of sheet for it measuring 1m square cost RS. 20.?.
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