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CBSE Class 11-science Answered

The longest side of the rectangle is five times the shortest side. If the perimeter of the rectangle is atleast 120 cm. Find the minimum value of shortest side.
Asked by Topperlearning User | 07 Sep, 2017, 10:29: AM
answered-by-expert Expert Answer

2 left parenthesis straight x plus 5 straight x right parenthesis greater or equal than 120 fraction numerator 2 left parenthesis straight x plus 5 straight x right parenthesis over denominator 2 end fraction greater or equal than 120 over 2 straight x plus 5 straight x space greater or equal than space 60 6 straight x space greater or equal than space 60 straight x greater or equal than 10 Thus comma space the space minimum space value space of space straight x space is space 10.

Answered by | 07 Sep, 2017, 12:29: PM

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