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Arc length and sector area
E Math · Secondary 3 · Easy · Arc length and sector area
In a circle of radius 9 cm, the length of an arc is 7.2 cm. Using the formula (with in cm and in radians), find the angle in radians.
- 0.8 rad
- 1.25 rad
- 6.4 rad
- 0.4 rad
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