Question

7.The central angle of a sector of circle of
area 9 π sq.cm is 30(degree),the
perimeter of the sector is *
O 6 +(1/2)
O 6-(1/2)
O 6 + 1
O (1/2) - 6​

Answer 1

Answer:

its up in order wise

Step-by-step explanation:

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