The line segments of lengths 4 cm and 2 cm are always ___.
A
similar
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B
congruent
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C
dissimilar
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D
(a) and (b) above.
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Solution
The correct option is A similar All the line segments are always similar because their lengths can be expressed as a multiple of another so they are always proportional. In this case, 42 = 2 So, scale factor = 2.