Answer:
428.7 mm²
Step-by-step explanation:
The area (A) of the sector is calculated as
A = area of circle × fraction of circle
= πr² × 
= π × 17² × 
= 289π × 
=
≈ 428.7 mm²
That property would be the Symmetric<span> Property of </span><span>Equality</span>
The ordered pair that describes the origin is (0, 0).
That's because x=0 and y=0 at the origin.