In a circle if any pair of diameter is …………to each other than the lines joining its ends in order form a square.
a) parallel
b) perpendicular
c) non parallel
d) all of these

In a circle if any pair of diameter are perpendicular to each other
than the lines joining its ends in order form a……………
a) square
b) rectangle
c) triangle
d) circle

If the angle subtend by two chords of a circle at the …………are
equal, the chords are equal.
a) chords
b) arcs
c) center
d) diameter
If the angle subtend by two chords of a circle at the center are equal, the………….are equal.
a) chords
b) arcs
a) center
d) diameter
If the angle subtend by two chords of a circle at the center are equal, the chords are…………
a) equal
b) unequal
c) greater
d) less