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For a closed plane figure, the distance around its boundary is the:
APerimeter
BArea size
CVolume
DDiagonal
Answer & Solution
Correct answer: A. Perimeter
1. Area is the region covered by the figure.
2. The boundary distance is the perimeter.
3. Both are found for triangles, rectangles and circles.
_Source: NCERT Class 8 Mathematics, Chapter 11, Mensuration._
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