10th Class
Mathematics
Introduction to Trigonometry
Question Bank
Trigonometry
question_answer
The angles of the triangles ABC and DEF are given as follows : \[A=90{}^\circ ,\text{ }B=30{}^\circ ,\text{ }D=90{}^\circ \text{ }and\text{ }E=30{}^\circ \]. If the side BC is twice the side EF, then