Interactive practice questions
In the adjacent figure, $ABCD$ABCD is inscribed inside a circle.
a
The sum of any two opposite angles in the quadrilateral $ABCD$ABCD is $\editable{}$°
b
Can a parallelogram without right angles be inscribed inside a circle?
Yes
A
No
B
Easy
1min
Select the three cyclic quadrilaterals:
Easy
< 1min
Consider the diagram below:
Easy
2min
The quadrilateral $ABCD$ABCD has vertices that lie on a circle:
Medium
< 1min
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