Find the area of the shaded regionFind the area of the shaded region accurate up to 3 decimal places. (A=?, r=1389)
Correct answers: 32
The first user who solved this task is Dejan Mratinkovic.
#brainteasers #math #riddles
Chlorophyll synthesizedIn 1960, chlorophyll “a”was first synthesized by Robert Burns Woodward. This molecule consists of 55 carbon atoms linked with 72 hydrogen atoms, 5 atoms of oxygen and 1 atom of magnesium. The research was performed at the Converse Memorial Laboratory of Harvard University, Cambridge, Mass.