find the capacity is a rectangular cistern in litres whose dimensions are 11.2 m × 6 m × 5.8 m. find the area of the iron sheet required to make the cistern.
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Given....
A rectangular cistern means a cuboid.
L = 12.2m
B = 6m
H = 5.8m
We know ,
Capacity means volumne and
To find vol of cuboied = L X B X H
THEREFORE,
Capacity = L X B X H
= 11.2 X 6 X 5.8
= 389.76 m cube.
Now ,
Area of sheet required......
Area = 2(LB + BH + HL)
Area = 2 (12.2 x 6 + 6 x 5.8 + 5.8 x 12.2)
= 2( 73.2 + 34.8 + 70.76)
= 2 x 178.76
= 357.52 cm square.
THNX.....
A rectangular cistern means a cuboid.
L = 12.2m
B = 6m
H = 5.8m
We know ,
Capacity means volumne and
To find vol of cuboied = L X B X H
THEREFORE,
Capacity = L X B X H
= 11.2 X 6 X 5.8
= 389.76 m cube.
Now ,
Area of sheet required......
Area = 2(LB + BH + HL)
Area = 2 (12.2 x 6 + 6 x 5.8 + 5.8 x 12.2)
= 2( 73.2 + 34.8 + 70.76)
= 2 x 178.76
= 357.52 cm square.
THNX.....
sshreya:
sorry but wrong answer
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