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+//Example 2.14
+//To determine area of triangle when 3 angles and a side is given
+clc,clear
+
+A=115 //angle at vertex A
+a=12 //side opposite to vertex A
+B=25 //angle at vertex B
+C=40 //angle at vertex C
+
+area_K = a^2*sind(B)*sind(C)/(2*sind(A))
+printf('Area of triangle ABC = %.2f square units',area_K)