1 cm
\(\sqrt{2}\) cm
2 cm
4 cm
Correct answer is C
The area of sector in radians = \(\frac{r^{2} \theta}{2}\)
\(3 cm^{2} = \frac{1.5 \times r^{2}}{2}\)
\(r^{2} = \frac{3 \times 2}{1.5} = 4\)
\(r = 2 cm\)
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