Question

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Answer 1

Answer:

y=77

Explanation:

x=50

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Answer 2

X = 50 ° , Y = 77°

between the lines intersection of parallel lines ,

several types of angles are present .

• Corresponding angles
• alternate angles
• opposite angles
• linear pair angles
• co - interior angles
• co - exterior angles

Since AB || CD , <APQ = <PQR

<APQ = <PQR = 50° [ Alternate angles ]

<APR = <PRD = 127° [ Alternate angles ]

<APR = <APQ + <QPR

127° = 50 ° + < QPR

<QPR = 127 - 50

= 77 °