This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Burj khalifa in dubai, UAE is the tallest building in the whole world, its size is 829.8 m, the construction started in sept 21 2004 and ended in jan 4 2010
the address Sheikh Mohammed bin Rashid Blvd - Dubai - United Arab Emirates