Asked by Anonymous

In a circle of radius 6cm a chord is drawn 3cm from the center. Calculate the angle subtended by the chord at the center of the circle

Answers

Answered by oobleck
Draw the circle and the chord.
Draw a radius perpendicular to the chord.
If the angle subtended by the chord is θ, then you can see that
cos(θ/2) = 3/6 = 1/2
Now you can find θ.
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