A quadrilateral is inscribed in a parabola. Then the quadrilateral may be cyclic diagonals of the quadrilateral may be equal allpossible pairs of adjacent side may be perpendicular none of these

Options

A. the quadrilateral may be cyclic
B. diagonals of the quadrilateral may be equal
C. all possible pairs of adjacent sides may be perpendicular
D. none of these

Answer

A, B

Explanation

1,2
As a circle can intersect a parabola at four points, the quadrilateral may be cyclic.
The diagonals of the quadrilateral may be equal as the quadrilateral may be an isosceles trapezium.
A rectangle cannot be inscribed in a parabola. So, option (3) is wrong.