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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

b



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

a


a

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

c

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

a

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

a