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firstly angle LEB and angle MDC are corresponding angles where angle LEA= 70
angle FDC=40
and corresponding angles are equal to each other so
angle LEB = angle MDC
angle BED= angle FDC( corresponding angles)
angle BED=40 degree
now angle LEA+ angle LED+ angle BED = 180 degree
70+angle LED+40= 180 degree
angle LED= 180-110=70 degree
now angle LED = angle MDF(corresponding angles)
angle MDF = 70 degree
angle FDC=40
and corresponding angles are equal to each other so
angle LEB = angle MDC
angle BED= angle FDC( corresponding angles)
angle BED=40 degree
now angle LEA+ angle LED+ angle BED = 180 degree
70+angle LED+40= 180 degree
angle LED= 180-110=70 degree
now angle LED = angle MDF(corresponding angles)
angle MDF = 70 degree
priya1357:
kya hua
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