18 inches
There are ten tenths in an inch. Therefore, 2 inches would have 20 tenths.
10
Rulers are divided into inches and fractions of an inch. One of those fractions will be tenths of an inch. So you want one inch and 9 tenths of an inch to make 1.9 inches.
If the perimeter is already measured in inches, there is nothing to convert. There are 18 inches in a perimeter of 18 inches.
18 inches
10 tenths
There are ten tenths in an inch. Therefore, 2 inches would have 20 tenths.
One 1, 8 tenths
(.8)(12 in) = 9.6 inches
10
71067812 tenths what? Feet? metres? miles? light years?
There 12 inches to a foot, so 120 tenths of an inch to a foot.
Rulers are divided into inches and fractions of an inch. One of those fractions will be tenths of an inch. So you want one inch and 9 tenths of an inch to make 1.9 inches.
18
18 tens = 180 18 tenths = 1.8
If the perimeter is already measured in inches, there is nothing to convert. There are 18 inches in a perimeter of 18 inches.