What is the shape of an ammonia molecule?

The shape of an ammonia molecule is trigonal pyramidal (see the image below).

The N atom is at the top of the pyramid and the three H atoms are at the corners of a triangular base.

Hi. where is the graph?

1. and 2. question: in which equation? or i don't understand you, 3. a), 4. c), 5. c), 6. b), 7. d), 8. d) if small number is underlined(behind symbol) , b) if big number is underlined(in front of symbol)9. what is underlined there? 10. c)