1) Find the Area of Triangle ABC
2) In the diagram, sin A =0.8. Find Tan C.
3) In the parellelogram, ABCD, A =(4,5), B= (1,4), C= (6,2). Find the Coordinates of D.
Thanks!
1. The area of triangle ABC is 2.
2. tan C = 1.5
3. D = (11,6).
