What is the central angle of a sector of a circle whose area and perimeter are, respectively, equal to 209 cm2 and 63 cm if it is given that its radius is a non-negative integer (roundup to one decimal place)?
A
49.5°
B
55.5°
C
53.5°
D
51.5°
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Question: What is the central angle of a sector of a circle ... - PrepLeague