Find the value of x in the following figure show that ab is parallel to CD
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in first fig.
draw EF.
now,
given - angle A = 120° nd amgle C = 125°
angle A + angle AEF = 180°
( taking ab nd ef as parallel lines alt. int angles)
120° + AEF = 180°.
AEF= 60°.
Angle C+ angle CEF= 180°.
125° + CEF = 180 °.
CEF= 55°.
now,, angle E = angle AEF+ angle CEF.
= 60+ 55= 115°.
HENCE, x = 115°.
HØPE IT HLPS U.
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Answered by
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draw EF.
now,
given - angle A = 120° nd amgle C = 125°
angle A + angle AEF = 180°
( taking ab nd ef as parallel lines alt. int angles)
120° + AEF = 180°.
AEF= 60°.
Angle C+ angle CEF= 180°.
125° + CEF = 180 °.
CEF= 55°.
now,, angle E = angle AEF+ angle CEF.
= 60+ 55= 115°.
HENCE, x = 115°.
HØPE IT HLPS U.
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