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sharon_penn

  • 3 years ago

State the missing reasons in this flow proof.

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  1. sharon_penn
    • 3 years ago
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    chart

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  2. sharon_penn
    • 3 years ago
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    a-e

  3. sharon_penn
    • 3 years ago
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    any one on?

  4. sharon_penn
    • 3 years ago
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    ty

  5. aaronq
    • 3 years ago
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    wait do you mean the statements? like angleABC because the reasons are already there

  6. sharon_penn
    • 3 years ago
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    not sure thats why I'm confused

  7. aaronq
    • 3 years ago
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    I'm don't know what they're asking for :S sorry

  8. sharon_penn
    • 3 years ago
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    k

  9. nincompoop
    • 3 years ago
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    is this you the one needed help for?

  10. sharon_penn
    • 3 years ago
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    yes

  11. sharon_penn
    • 3 years ago
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    got it thanks

  12. nincompoop
    • 3 years ago
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    A)∠5 is an acute angle (40º) B) ∠2 is an obtuse angle (140º) C) ∠2 + ∠5 = 180° forms a supplementary angle. therefore, forms a straight line D) If a transversal intersects two parallel lines, then the interior angles on the same side of the transversal are supplementary. E) If a transversal intersects two lines and the interior angles on the same side of the transversal are supplementary, then the lines are parallel.

  13. bahrom7893
    • 3 years ago
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    Not good at this, never learned it.

  14. nincompoop
    • 3 years ago
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    this is a little confusing as I compose it, but I am sure it somewhat makes sense: ∠2 is congruent to ∠1 since ∠2 and ∠5 forms a straight line or a supplementary angles (180º) then ∠4 must be congruent to ∠1 and since ∠1 is congruent to ∠2 then ∠1 and ∠5 must also be supplementary angles, which proves that line a and b are parallel

  15. ganeshie8
    • 3 years ago
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    a proof starts with whats 'Given' so we can simply put the reason 'Given' for a and b.

  16. ganeshie8
    • 3 years ago
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    similarly we wil be good if we just put fill the blanks c,d, and e wid approproate reasons i guess

  17. nincompoop
    • 3 years ago
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    rephrasing: A) given ∠5 in line b is an acute angle (40º) B) another given ∠2 in line a is an obtuse angle (140º) you are right about filling out the blanks, but I am not sure if the sentences D and E are even appropriate to state

  18. nincompoop
    • 3 years ago
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    thanks for the guidance, @ganeshie8

  19. ganeshie8
    • 3 years ago
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    :) c, your reason is good : 'supplementary angles add up to 180' d, we can simply fill wid : ' by Definition of same-side interior angles' e, we can fill wid : 'by Converse of same-side interior angles theorem'

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