A few days ago
Show that the points (-2,5),(-2,-1) and (4,-1) all lie on a circle whose center is at (1,2). Find the Radius.?
Help me please….
Thanks..
Top 3 Answers
A few days ago
Favorite Answer
Call the points X, Y, Z and C, C being (1,2)
Find the distance from C to X, C to Y and C to Z.
If these three are equal they are on the circumference of a circle and the distance from any point to C is the radius.
Do the maths yourself.
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A few days ago
You can’t define a circle by the center only. They must provide a radius as well. The circle can be as big or as small.
circle’s definition is basically a set of all points located equidistance from a common center, so they must give you at least one point other than the 3 points they want you to check.
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A few days ago
radius is 3 under-root 2
coordinates for center are given and coordinates of the points on the circle are given please review your answer once (ooodveb)
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