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Difficulty: 4/102022 IOQM 2022 (Q9)

Two sides of an integer sided triangle have lengths 18 and x. If there are exactly 35 possible integer values such that 18, x, are the side of non-degenerate triangle, find the number of possible integer values can have.

Guide / Hint

Hint 1: Start by analyzing the initial conditions and setting up the basic equations. x + > 18.

Hint 2: Look for algebraic properties, symmetry, or geometric theorems to simplify. So, can take any integer value greater than or equal to 18.

Hint 3: Proceed with the final algebraic steps to solve the system. So, answer should be infinite.

Solution

Step 1: x + > 18

Step 2: So, can take any integer value greater than or equal to 18.

Step 3: So, answer should be infinite.

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