In any good staircase, the maximum and minimum pitch respectively should be_____________?
(A) 90° and 0°
(B) 75° and 30°
(C) 60° and 10°
(D) 40° and 25°
Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *