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Painting the outside of a toy needs to be worked out from its:
ATotal volume
BSlant height
CBase radius
DSurface area
Answer & Solution
Correct answer: D. Surface area
1. Paint covers the outside of the toy and nothing else.
2. The quantity needed depends on how much outside there is.
3. So the surface area of the toy is what must be found.
_Source: NCERT Class 10 Mathematics, Chapter 13, Surface Areas and Volumes._
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