Step-by-step explanation:
1. X = 180 - 127 - 25 = 28
Use sine law
a/sin(127) = 20/sin(28)
a = 34.023in
b/sin(25) =20/sin(28)
b = 18.004in
2. X = 180 - 108 - 38 = 34
a/sin(34) =17/sin108
a = 10
b/sin(38) = 17/sin108
b = 11
3. X = 180 - 23 - 34 = 123
a/sin(34) = 30/sin123
a = 20
b/sin(23) = 30/sin 123
b = 13. 98
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Answers & Comments
Step-by-step explanation:
1. X = 180 - 127 - 25 = 28
Use sine law
a/sin(127) = 20/sin(28)
a = 34.023in
b/sin(25) =20/sin(28)
b = 18.004in
2. X = 180 - 108 - 38 = 34
a/sin(34) =17/sin108
a = 10
b/sin(38) = 17/sin108
b = 11
3. X = 180 - 23 - 34 = 123
a/sin(34) = 30/sin123
a = 20
b/sin(23) = 30/sin 123
b = 13. 98