A chords make an angle 120 at the center of the circle of radius 6cm.what is the length of the chord
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Chord is times radius
Step-by-step explanation:
Let AB be the chord subtending a at the centre O of a circle with radius r, as shown in the figure *Attached.
Draw OC⊥AB.
⇒ and
It is given that
By angle sum property of triangle,
⇒ 30−60−90 triangles, AC =
⇒ AB = 2AC =
⇒ The length of a chord which subtends an angle of 120 at the center of the circle is times the radius of the circle.
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