# Area of a sector

Relate the area of a sector to the area of a whole circle.
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### Problem

A circle with area start color blue, 81, pi, end color blue has a sector with a central angle of start color purple, 120, degree, end color purple.
What is the area of the sector?
Either enter an exact answer in terms of pi or use 3, point, 14 for pi and enter your answer as a decimal.