C = 3.14 x D or C = 2 x 3.14 x R
So, C = 2 x 3.14 x 20
The answer is 40pi.
If she ran 2 kilometers , isnt it 8 minutes ?
What is the variables replacement
Pharmaceutical companies prefers experimental studies to conducting surveys and observational studies because companies can manipulate or suggest methods easily to have good outcomes and they are able to directly observe the results. Experimental studies is a type of study in which a procedure and method is intentionally introduced.
