Idk how many start cards there are o this problem cant be solved...
Answer:
x= -3
Step-by-step explanation:
7+
= 5
21+2x=15
2x=-6
x= -3
Answer:
The area of each section of the circle is 
Step-by-step explanation:
we know that
The area of a circle is equal to

we have

substitute

To find the area of each section divide the complete area of the circle by 
so
