The radius of a circle is 8 kilometers.what is the area in terms of pi?
1 answer:
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Answer:
Last option: 4
Step-by-step explanation:
The quadratic equation simplified: has the form:
In this case, you can identify that "a", "b" and "c" are:
To solve this quadratic equation by completing the square, Carlos should add to both sides of the equation. This is:
Then:
Therefore you can observe that the number he should add to both sides of the equation is: 4