volume of cuboid is 3600cm cube and it's height is 12 cm .the cross section is rectangle whose length and breadth are in ratios 4:3 .find perimeter of cross section
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Answered by
8
volume=lbh
3600=3x × 4x ×12
x^2=25
x=5
P=4x +3x=7x=7×5
=35cm
3600=3x × 4x ×12
x^2=25
x=5
P=4x +3x=7x=7×5
=35cm
Answered by
4
volume of cuboid= lbh
3600=3x×4x×12
3600/12=12x square
300=12x square
x square = 25
x=5
length = 20
breadth = 15
perimeter = 2(l+b)
=2×35
=70
3600=3x×4x×12
3600/12=12x square
300=12x square
x square = 25
x=5
length = 20
breadth = 15
perimeter = 2(l+b)
=2×35
=70
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