Respuesta :

Answer:

(8,-2)

1256 feet^2

981.3 cm^2

Step-by-step explanation:

(x,y) --> (x+1, y-2)

(7,0) --> (7+1, 0-2) = (8,-2)

[tex]A=\pi r^2[/tex]

[tex]A = 3.14 (400)^2[/tex]

[tex]=1256 cm^{2}[/tex]

[tex]area_{sector}=\frac{angle}{360}*\pi r^2[/tex]

[tex]=\frac{45}{360} *(3.14)(50)^2[/tex]

[tex]=981.3 cm^2[/tex]