Answer:
length=18units, width=6 units
Step-by-step explanation:
let width=x
then length= 3x
perimeter=2l+2b
48=2(3x)+2x
x=6
width=x=6units
length=3x=3(6)=18units
Now
Length=3(6)=18
sin b would be 4/5
sine is the opposite leg/the hypotenuse
20
I took the test
I'd recommend the photo math app
it's easy to use and it can help
