Sifat-Sifat Belah Ketupat

1. What can you say about the side AB, BC, CD, and AD?

2. What can you say about the angle ABD and angle CBD?

3. What can you say about the angle AEB?

4. While manipulating slider n, it is holds true for any value of n?

5. While manipulating slider alpha, it is holds true for any value of alpha?

6. Is a rhombus a parallelogram? If so, WHY is it a parallelogram?