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Answer:
38.485(correct to 5 significant figure)/ 12.25π
Step-by-step explanation:
=38.485(cor. to 5 sig.fig.)/ 12.25π
to find arc length of sector,we need to π(radius²)(sector's degree divided by 360 degree)
We have sequence equation .
In this case n is a natural number (1, 2, 3, ...).
So start inserting and computing value of given that you know the value of n and a.
(first term)
Hope this helps.