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anonymous

  • one year ago

Help pleaseeeeeeeeeee =*( Which one is greater or are they equal? A. The product of BE and AC B. The product of BC and AD

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  1. anonymous
    • one year ago
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    |dw:1439920589477:dw|

  2. anonymous
    • one year ago
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    where is point D?

  3. anonymous
    • one year ago
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    |dw:1439920745257:dw|

  4. anonymous
    • one year ago
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    sorry

  5. anonymous
    • one year ago
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    BC and AD are equal

  6. anonymous
    • one year ago
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    how

  7. anonymous
    • one year ago
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    i mean BE and AC are equal

  8. anonymous
    • one year ago
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    how do u know that

  9. anonymous
    • one year ago
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    its fine and if these are two separate questions then part A of it that line BE is equal to line AC, part B of it is that line BC is greater than line AD because of line AD is going at a different angle to BC and thus making line AD shorter than line BC but if it were line to BE DC and line AD then they would be reversed and line AD will be slightly longer and line BE is going done a equilateral triangle meaning if you attach another triangle with the same lengths under it line AC will be equal

  10. anonymous
    • one year ago
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    yea that y i said never mind on BC and AD

  11. anonymous
    • one year ago
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    slightly confused so a and b are equal?

  12. anonymous
    • one year ago
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    no, line AC and line BE are equal but line BC is greater than line AD

  13. anonymous
    • one year ago
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    the answer says A and B are equal...

  14. anonymous
    • one year ago
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    ohh, i get it know, it referring to where the line intercept and what angle they make, so in this case A is equal to B because the angles of both are 90 degrees

  15. anonymous
    • one year ago
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    Man i'm so confused....... can you start from the beginning and break it down so i can understand better

  16. anonymous
    • one year ago
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    read the lines, now look at where the line intercept

  17. anonymous
    • one year ago
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    the question is asking if the angle the intercepted lines make are equal or uneven

  18. anonymous
    • one year ago
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    no it's asking which one is greater or are they equal. But go on

  19. anonymous
    • one year ago
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    they both form right angles as shown in the picture

  20. anonymous
    • one year ago
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    so the angle from A and the angle from B both are right angles making them equal

  21. anonymous
    • one year ago
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    ok

  22. anonymous
    • one year ago
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    Use the formula for area of triangle In \[\triangle ABC\] We have consider AC as base and BE as height, we have \[A_{1}=\frac{1}{2}\times AC \times BE\] Now consider BC as base and AD as height we have \[A_{2}=\frac{1}{2} \times BC \times AD\] We are measuring area of the same triangle, so both areas should be equal \[A_{1}=A_{2} \implies \frac{1}{2} \times AC \times BE=\frac{1}{2}\times BC \times AD\] \[\implies AC \times BE=BC \times AD\]

  23. anonymous
    • one year ago
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    ohhhhhhhhhhhhhhhhhhhhhh

  24. anonymous
    • one year ago
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    because it's the same triangle they're equal no matter what? But they're asking for the product... will the measurements still be equal?

  25. random231
    • one year ago
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    @Nishant_Garg is right!

  26. anonymous
    • one year ago
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    No, what I'm saying is I've measured area of triangle ABC in 2 different ways, since I'm only measuring area of ABC, regardless of how I measure, as long as my method is correct, both area should be equal as we are only talking about the same triangle ABC

  27. anonymous
    • one year ago
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    gotcha! thanks a million!!!

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