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Sergeeva-Olga [200]
3 years ago
11

Given a circle with a center at (-3.1) and a radius of 4, is the point (1,-2) inside,

Mathematics
1 answer:
n200080 [17]3 years ago
6 0

Answer:

Step-by-step explanation:

distance between center and (1,-2) is

d=\sqrt{(1-(-3))^2+(-2-1)^2} \\=\sqrt{16+9} \\=5>4\\

distance of the point from the center>radius of circle.

So it lies outside the circle.

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adoni [48]
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Harlamova29_29 [7]

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write the standard form of the equation of the circle with endpoints of a diameter at the points (9,2) and (-7,5)
AnnyKZ [126]

Answer:

Step-by-step explanation:

Answer:

(x-1)²+(y-3.5)² = 265/4

Step-by-step explanation:

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