AB and AC are two chords of a circle which are perpendicular to each other.If AB=4cm and AC =3cm then find the length of the radius of the circle
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Answer:
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Step-by-step explanation:
AB=4 cm and AC=3 cm are two perpendicular cords of a circle. Angle A=90°,then BC wil be the diameter of circle,BC=2r.
In right angled triangle BAC
BC^2=AB^2+AC^2
(2r)^2=(4)^2+(3)^3
4r^2=16+9=25
r^2=25/4
r = 5/2 cm. or 2.5 cm , Answer
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Answered by
25
Answer:
radius is 2.5 cm
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