Answer :
The solution is:
Length of the darkened part of the arc = 4π
Solution:
Radius of the circle = 8
Circumference of the circle = 2πr
= 2 × π × 8
Circumference of the circle = 16π
Equal number of parts = 4
Total degree of circle = 360°
Degree of the darkened part = 360°/4 = 90°
Arc length = 16π * 90°/360°
= 16π * 1/4
= 4π
Circumference = 16π
Length of the darkened part of the arc = 4π
Hence, The solution is:
Length of the darkened part of the arc = 4π
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