SOLUTION: show rhat the points A(-2,2) B(5,-5) C(4,2) are located on a circle with center w(1,-2) . what is the radius of the circle
Algebra.Com
Question 612627: show rhat the points A(-2,2) B(5,-5) C(4,2) are located on a circle with center w(1,-2) . what is the radius of the circle
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
show rhat the points A(-2,2) B(5,-5) C(4,2) are located on a circle with center w(1,-2) . what is the radius of the circle
------------
Find the distance squared from the center to each point.
----
From (1,-2) to A:
----
Do the same for B & C. If they're equal, they on the circle.
-----
r^2 = 25
r = 5
RELATED QUESTIONS
Circle A has center of (-2, 4) and a radius of 4, and circle B has a center of (3, 9) and (answered by Alan3354)
The points (2, 5) and (4, –1) are endpoints of the diameter of a circle.
(a) State... (answered by Fombitz)
what is the equation of a circle with center (2 -5) and radius... (answered by josgarithmetic)
Circle A has center of (2, 3) and a radius of 5. Circle B has a center of (1, 4) and a... (answered by Alan3354)
Circle A has center of (2, 3) and a radius of 5 and circle B has a center of (1, 4) and a (answered by Alan3354)
Given that (0,1) is the center of a circle and (-4,4) is a point on the circle, find the... (answered by robertb)