in the given figure, AB ll PQ. find the value of x and y .
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- AB || PQ and EF is a transversal.
From the figure we know that ∠CEB and ∠EFQ are corresponding angles.
- ∠CEB = ∠EFQ = 75°
- ∠EFQ = 75°
- ∠EFG + ∠GFQ = 75°
- 25o + yo = 75°
- y°= 75o – 25°
- yo = 50°
From the figure we know that ∠BEF and ∠EFQ are consecutive interior angles
- ∠BEF + ∠EFQ = 180°
- ∠BEF + 75° = 180°
- ∠BEF = 180° – 75°
- ∠BEF = 105°
We know that ∠BEF can be written as
- ∠BEF = ∠FEG + ∠GEB
- 105° = ∠FEG + 20°
∠FEG = 105°– 20°
- ∠FEG = 85°
According to the △ EFG
- x° + 25° + ∠FEG = 180°
- x° + 25° + 85° = 180°
- x° = 180° – 25° – 85°
- x° = 180°– 110°
- x° = 70°
Therefore, the value of x is 70.
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