Question

A circle radius is 1cm and a central angle of 54 what is the area of the sector containing the central angle

Answer 1

Question #9240

A circle radius is 1cm and a central angle of 54 what is the area of the sector containing the central angle

Solution

$$S = \frac{\theta \cdot r^2}{2}, \text{ where } \theta \text{ in radians};$$ $$S = \frac{\theta \cdot r^2}{2} = \frac{3,14 \cdot 54 \cdot 1^2}{2 \cdot 180} = 0,471 \text{ (cm}^2\text{)}$$

Answer: $S = 0,471 \text{ (cm}^2\text{)}

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