Answer:
the perimeter of the square is 4√2
Step-by-step explanation:
With this being a square, we know that the distance from (0, 1) to (1, 0) is
√[ (1)² + (-1)² ], or √2.
There are four line segments, all of length √2, so the perimeter of the square is 4√2.
Answer:
Step-by-step explanation:
The circle is divided into 5 sections. The probability that the needle lands on a particular color is equally likely.
So,

Probability of not blue = 1 - Probability of blue

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Answer:
ok
Step-by-step explanation:
2✓5.
In decimal form, it's 4.5.