Black Wall Street, former byname of the Greenwood neighbourhood in Tulsa, Oklahoma, where in the early 20th century African Americans had created a self-sufficient prosperous business district. ... Black businesses clustered on the strip of land that would become Greenwood in 1905, when African Americans acquired the land.
The first step is to find the slant height of the cone. Using the pythagorean theorem, you can find that cm. Plugging this into the equation, you get . Hope this helps!