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Two sides of a triangle are 3.5 cm and 5.5 cm. Which can be the third side?

Class 7Triangle InequalityTriangles
  • A8.5 cm
  • B9.5 cm
  • C2 cm
  • D9 cm

Step-by-Step Solution

Third side must be more than 5.5 − 3.5 = 2 cm and less than 5.5 + 3.5 = 9 cm. Only 8.5 cm fits.
Answer: A) 8.5 cm

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