question_answer

In the figure given, \[l\backslash \backslash \text{ }m\]. If\[AB\bot l\],\[CD\bot l\]and\[\text{AB = 2}\text{.3 cm}\], what is the measure of\[\text{CD}\]?

A)  2.3 cm                   

B)  3.2 cm

C)  4.6 cm 

D) 6.4 cm

Correct Answer: A

Solution :

 \[l//m,\text{ }AB\bot l\text{ }\] and \[CD\bot l\] \[\Rightarrow AB=CD\text{ }\therefore CD=2.3cm\]