The figure below depicts a regular 7-gon inscribed in a unit circle.
What is the sum of the 4 th powers of the lengths of all 21 of its edges and diagonals?
Answer Choices
A. 49
B. 98
C. 147
D. 168
E. 196
The figure below depicts a regular 7-gon inscribed in a unit circle.
What is the sum of the 4 th powers of the lengths of all 21 of its edges and diagonals?
Answer Choices
A. 49
B. 98
C. 147
D. 168
E. 196