Equation of a circle when the center: (7, 8) and radius: 7
Answers
Answered by
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Step-by-step explanation:
(
x
−
2
)
2
+
(
y
+
4
)
2
=
49
Explanation:
The general form of a circle is
(
x
−
h
)
2
+
(
y
−
k
)
2
=
r
2
where
(
h
,
k
)
is the centre and
r
is the radius
Since we know that the centre is
(
−
2
,
4
)
, then
h
=
2
and
k
=
−
4
and since the radius is
7
, then
r
=
7
Equation of the circle is equal to:
(
x
−
2
)
2
+
(
y
+
4
)
2
=
49
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