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Sed (CoderLovesEggs) Paper 2 with Solutions · Q8

Paper 2Logic & proofGeometry

A quadrilateral ABCDABCD satisfies ∠ABC=∠BCD\angle ABC=\angle BCD.

Which of the following (additional) information, taken independently, is sufficient to determine each angle of ABCDABCD?

  • I. ABCDABCD is a cyclic quadrilateral.
  • II. ∠CDA=90∘\angle CDA=90^\circ.
  • III. The values of ACAB\dfrac{AC}{AB} and BDCD\dfrac{BD}{CD}.
ANone of the above;
BI only;
CII only;
DIII only;
EI, II only;
FI, III only;
GII, III only;
HI, II, and III.

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