Step-by-step explanation:
fjrnrn.dnd.amsamammqmmakakqkkwkwkwjkwk
The bookshelf is 4'3" tall. There is 12 inches in a foot twelve times 4 is 48. 48 plus three is fifty-one.
Explain what? where’s the question dude
Answer:
right angle
if there is a square in the corner, it is ALWAYS a right angle