D is the answer. the x axis is on -7 so it has to be the answer.
Answer:
C
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Answer:

Step-by-step explanation:
Given,
Angle of sector = 30°
Radius of circle, r = 8 cm
Area of the shaded region, A =?
The diagram is attached below.
Now,
Area of shaded region = Area of sector - Area of triangle
Area of triangle = 
We know that,




And




Area of sector = 
Area of sector = 
= 16.75 cm^2
Area of triangle = 
= 13.85 cm^2
Area of shaded region = 16.75 - 13.85
= 
Answer:
Prime: 11, 13, 29.
Composite: 21, 15, 16.
Step-by-step explanation: