Question

PLZZZ HELP???.......

Answer 1

(8,-2)

1256 feet^2

981.3 cm^2

Explanation:

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

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

`A=\pi r^2`

`A = 3.14 (400)^2`

`=1256 cm^(2)`

`area_(sector)=(angle)/(360)*\pi r^2`

`=(45)/(360) *(3.14)(50)^2`

`=981.3 cm^2`