Which letters in English alphabet possess perpendicular lines ?

Which letter of English alphabet is an example for perpendiculer lines?

Which letter in English alphabet has more lines of symmetry ?

Which of the English alphabets possess acute angles.

Which of the English alphabets possess parallelism in their shapes.

Which letter of English alphabet is an example for both perpendiculer lines and parallal lines?

Write the letters of English alphabet A to Z and find out: No lines of symmetry.

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabet in the surnames was obtained as follows Determine Median number of letters in the surnames