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anonymous

  • 5 years ago

if two equal chords AB and CD meet at point P when extended, prove that the secant segment AP and CP are equal

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  1. anonymous
    • 5 years ago
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    |dw:1327091652958:dw|

  2. anonymous
    • 5 years ago
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    thanks how do you draw pictures on here?

  3. anonymous
    • 5 years ago
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    use the draw facility below

  4. anonymous
    • 5 years ago
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    |dw:1327091947126:dw|

  5. anonymous
    • 5 years ago
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    This is the picture i have for the question

  6. anonymous
    • 5 years ago
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    hhmmm - i'm searching my memory with this one. if we can show that AC is parallel to BD then we can use similar triangles

  7. anonymous
    • 5 years ago
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    yeah - thats basically the same as mine

  8. anonymous
    • 5 years ago
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    Thanks i thought so...

  9. anonymous
    • 5 years ago
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    i'm pretty sure they are parallel but not sure why!

  10. anonymous
    • 5 years ago
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    Im not sure why as well thankf for the help

  11. dumbcow
    • 5 years ago
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    To Prove this you need to show that angle A = angle C since the chords are equal, arc AB = arc CD angle A = arc BC/2 angle C = arc AD/2 arc BC = arc CD + arc BD arc AD = arc AB + arc BD using substitution you can show that: arc BC = arc AD, therefore showing that angle A = angle C

  12. anonymous
    • 5 years ago
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    Thank you

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spraguer (Moderator)
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