For Exercise 19
Ex.19-1 N 52° 20' Ex.19-2 99° 15' Ex.19-5 At R and S; Angles 106° 45', 123° 45', 64° 30', 65° 00'
Ex.19-1 N 52° 20'
Ex.19-2 99° 15'
Ex.19-5 At R and S;
Angles 106° 45', 123° 45', 64° 30', 65° 00'
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