Question

In a circle of radius 12cm a chord is drawn 3cm from the centre. Calculate the angle subtended by the chord at the centre
Draw the circle and chord.
Draw a radius perpendicular to the chord.
You can see that
cos(θ/2) = 3/12
calculate the angle and findthe area of the sector
In a circle of radius 12cm a chord is drawn 3cm from the center cal the angle subtended by the chord at the centre

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