- Apart of a ring (annular sector)
- Brectangle
- Cfull circle
- Dtriangle
Step-by-Step Solution
Unrolling the curved surface of a frustum gives the region between two concentric circular arcs - an annular sector.
Answer: A) part of a ring (annular sector)
The lateral surface of a frustum, if cut and flattened, forms a:
Class 10Frustum of a ConeMensuration
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