If the equation of a circle is (x + 4)2 + (y - 6)2 = 25, its radius is
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Hi Mate!!!
General equation of circle is
( x - h )² + ( y - k )² = R²
Now compair given equation of circle with this general equation of circle.
we get
R² = 25
R = 5 or R = -5
We take only R = 5 because radius can't be negative..
Have a nice time
General equation of circle is
( x - h )² + ( y - k )² = R²
Now compair given equation of circle with this general equation of circle.
we get
R² = 25
R = 5 or R = -5
We take only R = 5 because radius can't be negative..
Have a nice time
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