The perimeter of the sector of a circle whose central angle is 45° and radius 7 cm is
(a) 39 cm
(b) 19.5 cm
(c) 35 cm
(d) 17.5 cm
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The perimeter of the sector of a circle whose central angle is 45° and radius 7 cm is
(a) 39 cm
(b) 19.5 cm
(c) 35 cm
(d) 17.5 cm
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Answer:
I think it's 5.5cm
report me if I'am wrong