The width of a rectangle is three times its height. if it has an area of 60.75 square feet, what are its dimensions?

Height = x

width = 3x

x*3x = 60.75

3x² = 60.75

x² = 20.25

x = √20.25

x = 4.5

3x = 3(4.5) = 13.5

So, it's dimensions are 4.5 * 13.5 feet

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)