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secondary 4 | E Maths
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Need help urgently pls thx
Date Posted: 6 years ago
Views: 278
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Let k be the height of the rectangular box
Total surface area = x^2 + 4kx
(Area of square base and 4 sides)
X^2 + 4kx= 40
Make k the subject then sub into formula for volume
Total surface area = x^2 + 4kx
(Area of square base and 4 sides)
X^2 + 4kx= 40
Make k the subject then sub into formula for volume
Date Posted:
6 years ago
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