The equation for a circle is as followed:
![(x-h)^2+(y-k)^2=r^2](https://tex.z-dn.net/?f=%28x-h%29%5E2%2B%28y-k%29%5E2%3Dr%5E2)
where the center of the circle is at (h,k) and the radius of the circle is r.
We are given (h,k) and need to find the radius. To do so, we can use the distance formula to find the distance from the center to the point on the circle:
![d= \sqrt{(x_1-x_2)^2+(y_1-y_2)^2}](https://tex.z-dn.net/?f=d%3D%20%5Csqrt%7B%28x_1-x_2%29%5E2%2B%28y_1-y_2%29%5E2%7D)
Plug in the two points:
![d= \sqrt{(3-(-6))^2+(2-(-4))^2}](https://tex.z-dn.net/?f=d%3D%20%5Csqrt%7B%283-%28-6%29%29%5E2%2B%282-%28-4%29%29%5E2%7D)
![d= \sqrt{(9)^2+(6)^2}](https://tex.z-dn.net/?f=d%3D%20%5Csqrt%7B%289%29%5E2%2B%286%29%5E2%7D)
![d= \sqrt{117}](https://tex.z-dn.net/?f=d%3D%20%5Csqrt%7B117%7D)
If the distance from the center to the edge of the circle is the square root of 117, then r^2 = 117.
The answer is:
Answer:
1/2 or 50-50
Step-by-step explanation:
1/4 +1/4 = 1/2 or 50-50
circles are 360⁰ and lines are 180⁰
Answer:
25.3 lb
Step-by-step explanation:
We can multiply the whole by the percentage to find the part. Since 15.9% is equal to 0.159, the weight of fat is 159*0.159 = 25.281. Round this to the nearest tenth, and we get 25.3 pounds.