Which of the following is closed curve
The auther of the book 'The elements' is
Euclid
Ramanujan
Pythagoras
Gauss
In the adjacent figure O is called
the vertex
the centre
the point
an angle
Which of the following letters is an example for open curve?
B
D
O
C
The number of points marked in the interior of the triangle is
3
7
4
1
In the adjacent figure, is called
a line
a line segment
a ray
an arrow
_________ divides a circle into two semicircles.
line
linesegment
radius
diameter
The number of end points of a ray is
2
infinite
Curves are of __________ types.
5
Which of the following chords doesnot pass through the centre?
