MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
ABCD is a cyclic quadrilateral. If ∠BAD = (2x+5)° and ∠BCD = (x + 10)° then x is equal to:
Topic: Circle theorems
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(c) 55°
Explanation
Opposite angles of a cyclic quadrilateral are supplementary: (2x+5)+(x+10)=180 ⇒ x=55°.
In words
55°