Mithiyra's answer to Nicholas's Secondary 2 Maths Singapore question.
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For Q3 use the formula for the volume of hemisphere and cylinder. For surface area, use 2πrh + πr^2 as only 1 circle is exposed.
For Q6 use the formula for the volume of cylinder and cone. For surface area, use 2πrh + 2πrs. Don't include formula of the circles as they are not exposed.
For Q6 use the formula for the volume of cylinder and cone. For surface area, use 2πrh + 2πrs. Don't include formula of the circles as they are not exposed.
Date Posted:
5 years ago
Sorry forgot to mention. For Q3, add the formula of the curved surface area of the hemisphere too.
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