print triangle shape '*' using vb.net

You will have to play with a certain amount of spaces at the beginning of each line.

One loop should do it:

for 0 to number_of_rows_you_want - 1
{
  the amount of spaces needed have a direct relationship with the current row number.
  the amount of * to be written is the number of iteration (current row).  
  here you will need another loop to print the * and spaces.
}

Seems you are starting, 2 important things you must know:

1. here we don't like to make homework, but we like to help people so try it and come with a specific question and we'll help for sure.
2. and more important: typically the problems can be divided in small parts, do it ALWAYS and you'll succeed in most of them.

Good luck!

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