Asked by ann
center C has a radius of 13.Chord AB=10.find the distance from the center of the circle to chord AB. CD=?
Answers
Answered by
Reiny
make a sketch, join the centre to A, and complete the right-angled triangle.
let the distance from the centre to the chord be x
x^2 + 5^2 = 13^2
x^2 = 169-25 = 144
x = √144 = 12
Where does CD enter the picture?
Where is D ?
Your opening sentence of "center C has a radius of 13" makes no sense.
let the distance from the centre to the chord be x
x^2 + 5^2 = 13^2
x^2 = 169-25 = 144
x = √144 = 12
Where does CD enter the picture?
Where is D ?
Your opening sentence of "center C has a radius of 13" makes no sense.
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