Answer:
x=33
Step-by-step explanation:
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Check whether it is possible to have a triangle with the given side lengths for example 7,9,13 then add any two sides and see if it is greater than the other side. Example the sum of 7 and 9 is 16 and 16 is greater than 13
3 because 4×3=12 and if you divide12÷3/4 it helps you check
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