plz ans with given, to prove and proof
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Given,
GO||AL
Therefore,
angleG+angleA=180° (sum of interior angles =180°)
40°+angle A=180°
angle A=140°
Now,GOLA is a quadrilateral
So,
angle G+angleO+angle L+angle A=360°
angle L+40°+40°+140°=360°
angle L=360°-220°
angle L =140°
Therefore,
angle A=angle L=140°
GO||AL
Therefore,
angleG+angleA=180° (sum of interior angles =180°)
40°+angle A=180°
angle A=140°
Now,GOLA is a quadrilateral
So,
angle G+angleO+angle L+angle A=360°
angle L+40°+40°+140°=360°
angle L=360°-220°
angle L =140°
Therefore,
angle A=angle L=140°
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