pandaoksmallwoouu548
pandaoksmallwoouu548 pandaoksmallwoouu548
  • 14-11-2018
  • Mathematics
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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 14-11-2018

sin 28 = opposite / hypotenuse

sin 28 = 20/z

multiply by z

z sin 28 = 20

divide by sin 28

z = 20 / sin 28

z = 42.6

Choice B


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