SOLUTION: A dart board has a diameter of 40cm and is divided into 20 congruent sectors. what is the area of one of the sectors?

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Question 1175509: A dart board has a diameter of 40cm and is divided into 20 congruent sectors. what is the area of one of the sectors?
Answer by ikleyn(52767) About Me  (Show Source):
You can put this solution on YOUR website!
.

Find the area of the circle, which is an elementary task,
and then divide it by 20.


What might be simpler than that ?