Answer: 20.48
Step-by-step explanation:
use the pythagorean theorem for the diagnal sides
3^2+3^2=c^2
9+9=c^2
18=c^2
this gives you 4.24
now add 6+6+4.24+4.24 to get 20.48
Answer:
x=-3
Y=-5
2x-y=-1 ×2
3x-2y=1. ×1
4x-2y= -2
3x-2y=1
eliminate y by subtracting
x=6t+9 y=-8-1
3, 7