Sine and cosine rules
 

Sine and cosine rules problem 34


Diagonals e and f in a trapezium are 12.28 and 8 cm, and sides c and d are 8 and 5.34 cm and an internal angle measures 75.39 °.


Calculate the area of the figure bounded by the angle bisector , the base a, and the bisector of the base a.


 

material editor: OpenProf website