By definition, 3 side lengths are a triangle if any 2 side lengths add up to be greater than the third.
We can already see that the side lengths 6 and 12 will add up to a value of 18, which is equal to the last side length, meaning that the three values are not a triangle.






(Since this is not true, this is not a triangle)
Hope this helps.
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To multiply a number by 10, move the decimal point to the right one place value.
10*0.019=0.19
Answer:
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Step-by-step explanation:
Focus on 12x. Divide the 12 by 2. = 6.
The answer is (x+6)^2. On the right side
On the left side. Use the 6 and square it. 6^2 =36
Answer::: x^2 + 12x + 36 = (x+6)^2