Answer:
a or d im very positive that is d
Step-by-step explanation:
The formula of an area of a circle:
We have
r = 1.8 m
π ≈ 3.14
Substitute:
-12 + √(144- 4(-42)/12
-12 + √312/12
-12 + 17.6 / 12
= +.47 and -.47