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Answer:
Step-by-step explanation:
If the angle θ is in radians, the formula for the area (A) of a sector of a circle is
A = ½r²θ
If θ is in degrees
Data:
θ = 49°
r = 11 cm
Calculation:
Answer:
{x | x ≥ 0}
Step-by-step explanation:
We have the function, .
Now, for the square root function, the values inside the square root must be positive.
Here, we have that the values of 'x' must be greater than or equal to 0.
i.e. x ≥ 0.
Hence, the domain of the function is {x | x ≥ 0}.