Select the correct answer. What is the measure of the indicated central angle ?

A.
40°
B.
80°
C.
60°
D.
20°
E.
None of the above

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample

What is the measure of ba (the minor arc) in the diagram below?

What is the answer to this equation? and if you can, find a way to show your work.