pandaoksmallwoouu548 pandaoksmallwoouu548

14-11-2018
Mathematics

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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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