What is 10(x+1)=5(2x+2)
2 answers:
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Answer:
12.56 square cm
Step-by-step explanation:
Let A be the area of the sector of circle.
The general equation for a circle is:
where (h,k) is center of circle
r = radius
For this example, from the graph you see the center is at (0,-3) and radius is 2.
h = 0, k = -3, r = 2
Sub into general equation:
where (h,k) is center of circle
r = radius
For this example, from the graph you see the center is at (0,-3) and radius is 2.
h = 0, k = -3, r = 2
Sub into general equation: