Answer :
Given:
length of arc (a) = 4.4m
area = 9.24m2
(a) Area of sector =
⇒ radius of sector = 4.2m
(b) Area of sector =
⇒ central angle = 60°
(c) perimeter of sector = 2 ( r) + length of arc
= 2(4.2) + 4.4
= 8.4 + 4.4
= 12.8cm
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