Question

What is length of arc sector whose diameter is 15cm and intneded angle is 30°

Answer 1

Step-by-step explanation:

diameter =15cm

radius=15/2

length of arc=

$\frac{o}{360} \times2\pi \: r$

$\frac{30}{360} \times 2 \times \frac{22}{7} \times \frac{15}{2} \\ = \frac{55}{14} \\ = 3.92cm$

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