Answer:
The diameter of the pond is 38 m.
The radius of the pond is 19 m.
The area of the pond is 361 m^2.
Step-by-step explanation:
We know that the circumference C of a circle is equal to

In this case, C is equal to 120 m.
The diameter is then:

Rounded to the nearest whole number, the diameter is D=38 metres.
The radius is equal to half the diameter, so the radius of this pond is R=19 metres.

The area can be calculated from the radius as:

The area is 361 m^2
Well This is how you get a square to get the eligble answer so there.
Answer:

Step-by-step explanation:
Domain of a cosine is all real numbers.
Therefore the domain of F(x) = 2cos(3x - 1) is the set of all real numbers.
The answer to this problem is x=210