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in a circle of radius 6cm , a chord is drawn 3cm from the circle (a)calculate the angle subtended by the chord at the centre of the circle

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9 answers
  1. so your chord is also 3 cm from the centre.

    construct the right-angles triangle
    look at the angle it makes at the centre,
    cosØ = 3/6 = 1/2
    Ø = 60°

    the chord subtends an angle of 120°

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  2. Pls i need a clear and precise solution

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  3. I need a clear understanding

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  4. A clear answer plss

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  5. I need a clear answer

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  6. Please elaborate how cos∅=0.5,∅=60 and the angle subtends 120
    degree

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  7. Clear answer please

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  8. I need a clear understanding

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  9. Please I need the solving with the formula

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