Answer:
C
Step-by-step explanation:
-3+12 = 9
-12+3 = -9
-6+6 = 0
6+6 = 12
Given that,
Radius of the circle, r = 8.91 cm
Angle, 
To find,
The area of minor sector.
Solution,
The formula for the area of minor sector is given by the formula as follows :

So, the area of the shaded sector is
.
-12°C is colder than -5°C.
0.05x=20
-------- -------
0.05 0.05
×=400