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x = 50°
y = 80°
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Given
- ∠B = 50°
- ∠PAQ = 80°
To Calculate
- Value of x and y
Concept
- Vertically Opposite Angle -When two lines intersect each other, then the opposite angles, formed due to intersection are called VerticallyOpposite Angle.
- A pair of vertically opposite angles are always equal to each other.
- Angle Sum Property - Angle sum property of triangle states that the sum of interior angles of a triangle is 180°.
Solution
∠PAQ = ∠BAC = y = 80° [ Vertically Opposite Angle ]
In △ABC
➞ ∠A + ∠B + ∠C = 180° [ Angle Sum Property ]
➞ y + 50° + x = 180°
➞ 80° + 50° + x = 180°
➞ 130° + x = 180°
➞ x = 180° - 130°
➞ x = 50°
Therefore, value of x and y is 50° and 80° respectively.
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