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A is the center of the circle. ABCD is a parallelogram and CDE is a straight line. the ratio ∠DEB: ∠BCD is
  • a)
    2 : 1
  • b)
    1 : 2
  • c)
    1 : √2
  • d)
    1 : 3
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A is the center of the circle. ABCD is a parallelogram and CDE is a st...


(angle subtended at the center is double the angle at the circumference) 
⇒ ∠BAD = 2∠DPB
∵ ABCD is a parallelogram. 
∴ ∠BAD = ∠BCD
⇒ ∠BCD = 2∠DPB
∠DEB = ∠BPD (angles in the same segment)
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A is the center of the circle. ABCD is a parallelogram and CDE is a straight line. the ratio ∠DEB: ∠BCD isa)2 : 1b)1 : 2c)1 : √2d)1 : 3Correct answer is option 'B'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about A is the center of the circle. ABCD is a parallelogram and CDE is a straight line. the ratio ∠DEB: ∠BCD isa)2 : 1b)1 : 2c)1 : √2d)1 : 3Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A is the center of the circle. ABCD is a parallelogram and CDE is a straight line. the ratio ∠DEB: ∠BCD isa)2 : 1b)1 : 2c)1 : √2d)1 : 3Correct answer is option 'B'. Can you explain this answer?.
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