Question

Which of the following can be used to compare lengths of two lines?

• A. S1, S2 are correct and S3, S4 arewrong.
• B. S1, S2 are wrong and S3, S4 arecorrect.
• C. S3, S2 are correct and S1, S4 arewrong.
• D. S1, S3 are correct and S2, S4 arewrong.

Answer 1

Answer: (A), (B), (D)

The correct options are
A

S1, S2 are correct and S3, S4 arewrong.

B

S1, S2 are wrong and S3, S4 arecorrect.

D

S1, S3 are correct and S2, S4 arewrong.

A ruler can be used to measure the length of each line and compare the corrosponding lengths. As, the distance between end points of the legs corrosponds to length of a line. By using a divider or a compass length of the line can be directly compared with other.