please solve my answer
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Step-by-step explanation:
perimeter of triangle = sum of all sides
20/3 cm = 5/2 cm + 10/3 cm + 3rd side
=> 20/3 cm = 15/6 cm + 20/6 cm + 3rd side
=> 20/3 cm = 35/6 cm + 3rd side
=> 20/3 cm - 35/6 cm = 3rd side
=> 40/6 cm - 35/6 cm = 3rd side
=> 5/6 cm = 3rd side
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