Shaded Fraction = 3 / 17 | Desmos

Expression 7: "w" equals "R" Subscript, 25 , Baseline plus "R" Subscript, 17 , Baseline plus "R" Subscript, 25 , Baseline cosine alpha plus "R" Subscript, 17 , Baseline cosine beta

equals

35

7

Expression 8: alpha equals cosine to the negative 1st power StartFraction, 25 squared plus 28 squared minus 17 squared Over 2 times 25 times 28 , EndFraction

equals

36.8 6 9 8 9 7 6 4 5 8

8

Expression 9: beta equals cosine to the negative 1st power StartFraction, 17 squared plus 28 squared minus 25 squared Over 2 times 17 times 28 , EndFraction

equals

61.9 2 7 5 1 3 0 6 4 1

9

Expression 10: "R" Subscript, 17 , Baseline equals 17 halves

equals

8.5

10

Expression 11: "R" Subscript, 25 , Baseline equals 25 halves

equals

12.5

11

Expression 12: "R" Subscript, 28 , Baseline equals 28 halves

equals

14

12

Points

13

17

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