Answer:
Umm this is a hard one tho do you have any other questions like that so i can see how you did it
Explanation:
radius=distance between the point on centre and circumference.
4.
XY,XZ
5.
XY,XW,XZ
6.
VZ,VW
7.
CA,CB
each=4.1
8.
each=8.7
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