Circle and angle

What is the length of the arc of a circle with radius r = 207 mm with cental angle 5.33 rad?

Correct answer:

d =  1103.3 mm
S =  114192.6 mm²

Step-by-step explanation:

$d=5.33\cdot 207=1103.3\text{ mm}$

$S={\displaystyle \frac{207^2}{2}}\cdot 5.33=114192.6{\text{mm}}^2$

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