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Question

In the given figure three lines AB,CD and EF intersecting at O. Find the values of x,y and z it is being given that x:y:z=2:3:5
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Solution

x:y:z=2:3:5
let the angles be 2u,3u and 5u
BOF=AOE=x=2u (Alternete angles)
EOD=COF=y=3u (Alternete angles)
AOC=DOB=z=5u (Alternete angles)
EOD+DOB+BOF+FOC+COA+AOE+=360
3u+5u+2u+3u+5u+2u=360
20u=360
u=36020=18
x=2×18=36
y=3×18=54
z=5×18=90

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