Question

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 the plastic sheet determined ​

Answer 1

hi

here is the answer

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.

Answer 2

Answer:

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.

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