Question

The degree measure of an arc with sector area of 128π un2 in a circle with a diameter of 48 un is
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Answer 1

Answer:

80 degrees

Step-by-step explanation:

$\frac{ \alpha }{360} \times \pi {r}^{2} = 128\pi \\ \\ put \: \: \: \: r = 24 \\therefore \: \: \: \: \alpha = 80 \: degrees$