If the outer diameter of a metal pipe is 2.84 inches and the inner diameter is 1.94 inches, the thickness of the metal is

A. 0.45 of an inch
B. 0.90 of an inch
C. 1.94 inches
D. 2.39 inches

5 answers

2.84 - 1.94 = ?

.45

what is the inner diameter of a washer whose outside is l inch and thickness is 3/16 inche

0.45

0.95