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A quadrilateral has ∠ A = ∠ C. When is it cyclic? | StemPy Lab
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A quadrilateral has ∠ A = ∠ C. When is it cyclic?
Mathematics
Hard
High School (9–10)
General
Geometry › Circles
Olympiad
SAT
Created by
StemPy Lab
A quadrilateral has
∠
A
=
∠
C
\angle A = \angle C
∠
A
=
∠
C
. When is it cyclic?
Always
Only when each of the two angles is
90
∘
90^\circ
9
0
∘
Never
Only when
A
B
=
C
D
AB = CD
A
B
=
C
D
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