Question

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20?

Can anyone send my answer in 5 seconds?

If anyone do ot then I will put another question in 6 minutes
and anyone does the second question then i will mark him as brainliest and the points of second question will be 40 points.​

Answer 1

Step-by-step explanation:

210

I hope it's helpful for you please mark brilliant answer I gave answer in 5 second