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Data Analysis (Pri-5)

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4) AB and CD are straight lines. Find Le and Lf 20 2004 10。3 = 20
Ga

October 24, 2018
 
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e=20°(opposite angles)f=360°((20°×2)+50°+50°+90°+90°)=40°40°÷2=20°
1

October 25, 2018
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