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21-08-2017
Mathematics

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Find value of unknown angle(s) and state reason/theorem why

Find value of unknown angles and state reasontheorem why class=

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twvogels twvogels

21-08-2017

y=90° by inspection
w=180-(50+y)=160-(50+90)=40°
x=180-(w+x)=180-(40+97)=43°
z=180-(x+90)=180-(43+90)=47°

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