Surface Areas and Volumes — Formula Sheet
Jammu & Kashmir Board · Class 10 · Mathematics
8 formulas from Surface Areas and Volumes (Jammu & Kashmir Board Class 10 Mathematics) on one page, grouped by topic.
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Formulas and Key Relations
2. Surface Area of Combined Solids
TSA of new solid = CSA of one hemisphere + CSA of cylinder + CSA of other hemisphere
Total surface area of the toy = CSA of hemisphere + CSA of cone
CSA of hemisphere = 1/2(4πr²) = 2πr²
Slant height of cone: l = √(r² + h²)
CSA of cone: πrl
3. Volume of Combined Solids
volume of the cuboid + 1/2 volume of the cylinder
Apparent capacity of glass: πr²h
Volume of toy = 2/3πr³ + 1/3πr²h
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