Answered

what radian measure is equivalent to 160 degrees



A.4pi/9
B.9pi/4
C.8pi/9
D.9pi/8

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       180 is [tex] \pi [/tex]
and 160 is x
 make proportion x=160[tex] \pi [/tex]/180=8[tex]\pi [/tex]/9
Answer: C.8[tex] \pi [/tex]/9

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