Number of lines of symmetry does a circle have 

Image represents a line.

Note that a straight line is extended to infinity in both the directions whereas a ray has one end point fixed and the other part is extending infinitely and a line segment has two end points fixed on a straight line.

_______ lines of symmetry an ice cream cone have. 

________are the same distance apart and never meet.

Note that parallel lines always keep the same distance from each other and never meet with each other.

The order of rotational symmetry of a circle is _________. 

Number of lines of symmetry does a parallelogram have________ 

Certain specific types of parallelograms like a square or a squarical rhombus have 4 lines of symmetry (1 vertical, 1 horizontal and 2 diagonal). Also, a rectangle has 2 lines of symmetry (1 vertical and 1 horizontal).
However, since no specific detail has been given in the question, we will assume that the given parallelogram is not a square or a rectangle.

Alphabet H has ________ number of lines of symmetry. 

A ______ is a straight path that goes on without end in two directions.

Note that a straight line is extended to infinity in both the directions.

Number of lines of symmetry does a trapezoid have 

For a trapezoid with one pair of opposite sides being parallel and other sides not equal (scalene or a rights angled trapezoid), there are no lines of symmetry.

Alphabet M has ___________ number of lines of symmetry. 

 Number of letters of the word OLYMPIAD have at least one line of symmetry. 

Number of lines of symmetry does the below shape has.  

One of the following shapes have only 1 line of symmetry. 

The number of letters in the word PASTE that have line of symmetry. 

A special quadrilateral that has 4 lines of symmetry. 

Number of letters of the word MATHEMATICS do not have any lines of symmetry.