Math, asked by vibam93, 1 year ago

pls solve in this in copy

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Answered by avadacrucio

$angle \: bcd = 40 \: coz \: 20 + 20$
As angle ABC=BCD. AB II CD (ALTERNATE ANGLES.)
Angle ECD+ANGLE CEF=180
THEREFORE CD II EF (CO INSIDE ANGLE AND EUCLIDS 5TH POSTULATE)
ABIICD U CDIIEF
IMPLIES:-ABIIEF.
HENCE PROVED
HOPE IT HELPS AND IF YOU FIND IT SATISFACTORY THEN PLEASE MARK IT AS BRAINLIEST

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