Mathematics Class 10
Surface Areas and Volumes
See two joined solids, then price only the faces a real job needs.
11 lessons · ~83 min total
Track progress — 0 of 11 lessons read 0%
Lessons in this topic
- 0 Start here The road map: name the solids in an object, then find its surface area and volume. · 4 min You are here
- 1 Two solids, one object Many objects are basic solids joined face to face. Name the solids and find the join. · 8 min
- 2 Peel it, fill it One object, two questions: paint needs a surface area, water needs a volume. · 8 min
- 3 What the join hides Where two solids join, the touching parts are inside. Leave them out of the outside area. · 8 min
- 4 The tent and its floor One tent gives different numbers for canvas, floor cloth and air. The question picks the number. · 8 min
- 5 The hollow that trades A hollow removes its flat mouth and adds its curved bowl, so the surface changes by a trade. · 8 min
- 6 The slant across the join Both solids share one radius. Split the total height at the join, then use Pythagoras for the slant. · 8 min
- 7 The job picks the faces The question tells you which faces to count. Read the job first, then list the faces. · 8 min
- 8 A question, start to finish Solve a whole question in order: read, split, find the missing length, pick faces, compute, answer. · 8 min
- 9 The big picture The whole chapter on one screen: name the solids, pick the faces, then compute. · 6 min
- 10 Track quiz A cheat-sheet table and eight quick questions on Chapter 12. · 9 min
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