Mathematics
If the length of a rectangle is 3 times its breadth and the breadth is x units, then its perimeter is
4x units
6x units
8x units
10x units
Algebra Basics
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Answer
Breadth = x units.
Length = 3 × breadth = 3x units.
Perimeter = 2(length + breadth) = 2(3x + x) = 2 × 4x = 8x units.
Hence, option 3 is the correct option.
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