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miyapooh3472
25.07.2019 •
Mathematics
Iwill give brainlist if i get enough answers how do i find the radius someone me
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Ответ:
r=7
Step-by-step explanation:
We have the equation
(x+5)^2 + (y+8)^2 =
We know that this is equal to the radius squares
(2+5)^2 + (-8+8)^2 = r^2
We know a point on the circle (2,-8)
Substitute this point into the equation
(2+5)^2 + (-8+8)^2 = r^2
(7)^2 + (0)^2 = r^2
7^2 = r^2
The radius is equal to 7
Ответ:
It should be 6 square root of 5 or about 13.4 (decimal form)