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2 answers:
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Answer:
radius = 10
Step-by-step explanation:
The distance from the centre to the point on the circle is the radius r
Calculate r using the distance formula
r =
with (x₁, y₁ ) = (1, - 2) and (x₂, y₂ ) = (- 5, 6)
r =
=
=
=
=
= 10