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Thread: Parallel line and Triangle with missing angle

  1. #1
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    Parallel line and Triangle with missing angle

    Hi all

    Can someone explain to me why angle PCB = ABC please in question 10 in the below link?

    http://www.st-leonards.durham.sch.uk/wp-content/uploads/2017/05/AQA-3H-Specimen-Paper-Written-Solutions-.PDF.pdf

    Thanks in advance.

    Regards

    Jim

  2. #2
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    What does AB = AC tell you?

  3. #3
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    Quote Originally Posted by lev888 View Post
    What does AB = AC tell you?
    Ah I missed that bit! It means that the triangle ABC is isosceles? so that angle ABC must equal angle ACB? Is that correct?

  4. #4
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    That's how I see it.

  5. #5
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    Quote Originally Posted by lev888 View Post
    That's how I see it.
    Cheers!

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