In the adjacent figure O is called
the vertex
the centre
the point
an angle
Which of the following is the part of a circle?
line
line segment
arc
none of these
Which of the following denotes a line segment?
Curves are of __________ types.
3
2
4
5
Which of the following has a fixed length?
a ray
a line
a line segment
a point
Which of the following letters is an example for open curve?
B
D
O
C
The auther of the book 'The elements' is
Euclid
Ramanujan
Pythagoras
Gauss
is an example of __________ curve.
open
closed
both (a) and (b)
A ray is a portion of
an arc
a sector
_________ divides a circle into two semicircles.
linesegment
radius
diameter