I hope this helped! Good luck
Find the area of the shaded region in the figure below, if the radius of the outer circle is 8 and the radius of the inner circl
e is 4. Keep your answer in terms of π.
1 answer:
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Answer:
Number of points, x, Number of segments, y
x: 2, 3, 4, 5, ... N,. ...
y: 1, 3, 6, 10, ... (N-1)(N)/2, ...
Step-by-step explanation:
Adding Nth point, there are N-1 new segments,
and (sum over {i = 1 to N-1} of i) total segments. As Gauss knew when he was c.10 yo, the sum is (N-1)(N)/2.
