Answer:
Trapezoid since it has one pair of parallel side and 4 sides.
6 hrs
Step-by-step explanation:
9
it's an isosceles right ∆.
so (9√2)^2 = 81*2= 162 = 2s^2
let x=y=s
s^2 = 81
s = 9
Answer: The first option (0,-3)
