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  • Boundaries of solids are: (A) surfaces (B) curves (C) lines (D) points

Boundaries of surfaces are:

(A) surfaces

(B) curves

(C) lines

(D) points

Answers (1)

(B) curves

Solution:

Solid is a three-dimensional object having a definite shape, size and volume is called a solid. A surface is the outermost layer of a physical object (solid). The boundaries of different surfaces are called curves. These curves are called lines when they are straight. Lines join two or more points together.

Hence, option B is correct.

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infoexpert24

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