The answer would be the top one and the 3rd one
The area of a sector is 339.336 cm²
The area of a sector is defined to be as the region of space bounded by a boundary from the center of the circle.
It can be determined by using the formula:
Given that;
- Radius r = 18 cm
- Angle θ = 120°
Then. the area of the sector can be calculated as:
A = 339.336 cm²
Learn more about the area of a sector here:
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-9.4
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No
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Does anyone have to do DELTA-MATH
Answer:
The degrees of freedom for the chi square statistic is 7-4=3