They are: 1 4 9 16 25 36 49 and 64
80 cm is less.
80% less than 90 = 20% of 90 = 18
-56
80 is smaller than 666.
It is 80 fewer than or 80 less than some previously specified value.
less than 80 centimeters is equal to .8 meter and therefore .8m is less than 8m
80 - 15 = 65
80 squares is a measure of area, it doesn't apply to length.
There are 0.3125 16x16 squares in 80 sq ft.
80-80*20%=64
It is: 80-20 = 60
a 90 degree angle is a perfect angle of a square so 80 degrees will be 10 degrees less.