_________ divides a circle into two semicircles.
line
linesegment
radius
diameter
Which of the following letters is an example for open curve?
B
D
O
C
In the adjacent figure O is called
the vertex
the centre
the point
an angle
is an example of __________ curve.
open
closed
both (a) and (b)
none of these
Which of the following chords doesnot pass through the centre?
Curves are of __________ types.
3
2
4
5
The number of end points of a ray is
1
infinite
In the adjacent figure, is called
a line
a line segment
a ray
an arrow
The number of points marked in the interior of the triangle is
7
Which of the following is the part of a circle?
line segment
arc