How do I make a triangle in HTML ???

Question

Please help me to make a triangle.

Answer 1

with pure html is yet available, but including css is!
just "play" with the borders :-)

here you have some ideas:
https://css-tricks.com/snippets/css/css-triangle/

I hope this helps

Answer 2

I have added it here
https://sololearn.com/compiler-playground/WY6DhXQQLLrD/?ref=app