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What do I do if I think my child has ADHD?
You are best advised to take your child to a family doctor for an initial check-up. You may then get referred to a paediatrician specialised in behavioural disorders. -
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First, know the volume of the drum: 693L = 0.693m3
Second, divide by the height (1.25m) to obtain the cross-sectional area: 0.693/1.25 = 0.5544m2
Finally, calculate the diameter rearranging the formula area = pi * diameter2 / 4
diameter = square-root (4 * area / pi)
diameter = 0.84m -
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