a tank 12m long 8m wide 5m deep is to made opend at the top find coat of sheet at the rate 3.5o per meter
Golda:
You have not mentioned the width of the sheet. So, I am assuming that the width of the sheet is 1 m.
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Solution:-
As the width of the sheet used is not mentioned, I have assumed that the width of the sheet is 1 m.
Given :
L = 12 m, B = 8 m and H = 5 m
Area of the sheet used in the tank = Area of the four walls + area of the base
= 2(L + B)H + L*B
⇒ 2(12 + 8)5 + 12*8
⇒ (2*20*5) + 96
⇒ 200 + 96
⇒ = 296 sq m
Width of the sheet used = 1 m (Assumed)
So, its length = 296/1 = 296 m
Total cost of sheet used = 296*3.50
= Rs. 1036
Answer.
As the width of the sheet used is not mentioned, I have assumed that the width of the sheet is 1 m.
Given :
L = 12 m, B = 8 m and H = 5 m
Area of the sheet used in the tank = Area of the four walls + area of the base
= 2(L + B)H + L*B
⇒ 2(12 + 8)5 + 12*8
⇒ (2*20*5) + 96
⇒ 200 + 96
⇒ = 296 sq m
Width of the sheet used = 1 m (Assumed)
So, its length = 296/1 = 296 m
Total cost of sheet used = 296*3.50
= Rs. 1036
Answer.
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