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Data Analysis (Pri-5)

/ Average Alexandra Primary School / Homework (2018)
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
As
e is an opposite angle of the 20 degrees as they are both straight lines so e is 20 degrees. AB is a straight line and straight lines are 180 degrees so 180 - 50 - 90-e = f. :) 
0

October 25, 2018
e = 20°  (ans)f = 180 - 50 - 20 - 90 = 20°  (ans)
1

Comments 1
Oct 25, 2018 02:12 AM
hi.can friend?
October 25, 2018
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