Answer:
and
Step-by-step explanation:
If a number 'x' is a perfect square, then is rational.
25, 36 and 81 are perfect squares, but 54 and 120 aren't, so the irrational values are and
Help plz..And No links!! I repeat No links!!
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Given:
The equation for the area of the first option is:
Where x is the side length of the current square park.
To find:
The side length of the current square park.
Solution:
We have,
It can be written as:
Splitting the middle term, we get
We know that the side length of a park cannot be negative. So, the only possible value of x is 320.
Therefore, the most direct method to solve the given equation is splitting the middle term and the side length of the current square park is 320 meters.