According to the inequality for the lengths of the sides of the triangle: each side of the triangle is less than the sum of the other two sides of the triangle.
To check the fulfillment of this inequality, it is enough to take the largest side, if it is less than the sum of the other two sides, then such a triangle exists.
By convention, the largest side is 5.2 cm.
The sum of the other two: 4.8 + 2 = 6.8 (cm).
Received: 5.2 cm <6.8 cm.
Answer: Such a triangle exists.
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