solve this question pleaseee
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hi shruthi,
PROCEDURE
Step 1
Here we have to find the total surface area of the cuboidal tank and subtract the roof area as there is no roof
Step 2
Then accordingly find the total cost
SOLUTION
Given
l = 30m
b = 24m
h = 4.5m
Step1
Surface area of tank
= 2(lb+bh+hl)
= 2(30*24 + 24*4.5 + 30*4.5)
= 2(720+108+135)
= 2*963
= 1926 m^2
subtracting the roof area
= 1926 - (l*b) = 1926 - (30*24)
= 1206 m^2
Step2
Cost of iron sheet required
Rate = Rs 65 for 1 m^2
so
Total cost = 65 * 1206 Rs = Rs 78390
Hence the answer is Rs 78390 is the required cost of iron sheets needed to make the tank.
Hope it helped
Let me know if any doubts
Cheers !!!
PROCEDURE
Step 1
Here we have to find the total surface area of the cuboidal tank and subtract the roof area as there is no roof
Step 2
Then accordingly find the total cost
SOLUTION
Given
l = 30m
b = 24m
h = 4.5m
Step1
Surface area of tank
= 2(lb+bh+hl)
= 2(30*24 + 24*4.5 + 30*4.5)
= 2(720+108+135)
= 2*963
= 1926 m^2
subtracting the roof area
= 1926 - (l*b) = 1926 - (30*24)
= 1206 m^2
Step2
Cost of iron sheet required
Rate = Rs 65 for 1 m^2
so
Total cost = 65 * 1206 Rs = Rs 78390
Hence the answer is Rs 78390 is the required cost of iron sheets needed to make the tank.
Hope it helped
Let me know if any doubts
Cheers !!!
jish4you:
Hope u liked my solution.
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