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Sagot :
Answer:
133.45
Step-by-step explanation:
They are looking for arc length. The formula is
[tex]\frac{n}{360}[/tex] * 2πr
a quarter circle is 90°, so put 90 for n. 85 is the radius, so put that for r.
[tex]\frac{90}{360}[/tex] * 2 π (85)
133.45
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