What does the brainiest mean on this site?

If you ask a question and someone answers that question with a response that seems well explained and easy for you to understand, you can award them as brainiest for that questions.

Step-by-step explanation:

Awarding brainiest essentially gives them extra bonus points for having such a great answer and for looking good to everyone else who comes across that question or to anyone who happens to click on their pfp out of curiosity and sees that they've been awarded brainiest in the past.

Points are important as they might one day use them for their own question (Yes, questions cost points).

I'm pretty new to this site, so don't think I'm some expert when I still type using my index fingers and looking down at the keyboard.

step-by-step explanation:

the triangles are similar. therefore the corresponding sides are in proportion:

              cross multiply

            divide both sides by 32