This is a really hard question
2 answers:
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To find the length of any arc:
Find out what fraction of 360°, or in this case, 2π radians, the angle is.
Multiply that by the circumfrence of the circle. (2πr, of course)
The left side of the walkway can be found with
The right side of the walkway can be found with
The difference between 80.1 and 78.85 is 1.25 ft.
Find out what fraction of 360°, or in this case, 2π radians, the angle is.
Multiply that by the circumfrence of the circle. (2πr, of course)
The left side of the walkway can be found with
The right side of the walkway can be found with
The difference between 80.1 and 78.85 is 1.25 ft.