Circular Measure

A good start would probably be to follow the instructions, such as plugging in various numbers and seeing what you can conclude about the given relationships.

Please reply showing what you have tried and where you are stuck. Thank you! :D
 
I did the table, but I wasn't really sure of it.

d1 . d2 PQR/? PAB/? BCR/?
. 1 . 9 . . . 5 . . . 1/2 . . . 9/2
. 2 . 8 . . . 5 . . . . 1 . . . . 4
. 3 . 7 . . . 5 . . . 3/2 . . . 7/2
. 4 . 6 . . . 5 . . . . 2 . . . . 3
. 5 . 5 . . . 5 . . . 5/2 . . . 5/2
. 6 . 4 . . . 5 . . . . 3 . . . . 2
. 7 . 3 . . . 5 . . . 7/2 . . . 3/2
. 8 . 2 . . . 5 . . . . 4 . . . . 1
. 9 . 1 . . . 5 . . . 9/2 . . . 1/2

arc PQR = ? (d1+d2)/2
arc PAB = ? (d1)/2
arc BCR = ? (d2)/2

I kinda need help with these question because I wasn't good on this topic..thank you. :?
 
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