Mathematics
Comparison of lengths is possible in case of
two lines
two line segments
two rays
a ray and a line segment
Lines & Angles
1 Like
Answer
A line extends infinitely in both directions, and a ray extends infinitely in one direction. So lengths of lines and rays cannot be measured.
Only line segments have finite definite lengths that can be compared.
Hence, option 2 is the correct option.
Answered By
3 Likes
Related Questions
State whether the following statements are true (T) or false (F):
(i) Each angle of an equilateral triangle is a right angle.
(ii) The adjacent sides of a rectangle are equal in length.
(iii) The diagonals of a rectangle are equal in length.
(iv) The diagonals of a rectangle are perpendicular to one another.
(v) The diagonals of a rhombus are equal in length.
(vi) Any three line segments make up a triangle.
(vii) All the faces of a triangular prism are triangles.
(viii) All the faces of a triangular pyramid are triangles.
State whether the following statement is true or false. Justify your answer.
'An angle whose measure is greater than that of a right angle is obtuse'.
A reflex angle measures
more than 90° but less than 180°
more than 180° but less than 270°
more than 180° but less than 360°
none of these
A scalene triangle cannot be
an acute-angled triangle
an obtuse-angled triangle
a right-angled triangle
an equilateral triangle