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UmmmHELP

  • 3 years ago

The Pythagorean triple 5, 12, 13 represents the lengths of the sides of a right triangle. Find the length of the altitude to the hypotenuse.

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  1. UmmmHELP
    • 3 years ago
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    A. 60/13 B. 65/12 C. 156/4 D. not enough information

  2. ganeshie8
    • 3 years ago
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    |dw:1363902877888:dw|

  3. ganeshie8
    • 3 years ago
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    you familiar with similar triangles ?

  4. UmmmHELP
    • 3 years ago
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    ehhh

  5. UmmmHELP
    • 3 years ago
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    im not to good with this section...

  6. ganeshie8
    • 3 years ago
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    good, we can use that... do u see any two useful triangles we can use ?

  7. UmmmHELP
    • 3 years ago
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    ugh well I know its split up into two but...

  8. ganeshie8
    • 3 years ago
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    \(\triangle CBA \sim \triangle CDB\) lets setup a proportion :- BD/BA = BC/AC h/5 = 12/13 h = ?

  9. UmmmHELP
    • 3 years ago
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    i got 4.6?

  10. ganeshie8
    • 3 years ago
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    thats looks right !

  11. UmmmHELP
    • 3 years ago
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    okay! now what?

  12. ganeshie8
    • 3 years ago
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    thats it, we are done. thats your length of altitude to hypotenuse !

  13. UmmmHELP
    • 3 years ago
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    okay but what do I match it with? like to get one of the options for an answer?

  14. ganeshie8
    • 3 years ago
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    ha here is lil more complete solution, see if u get it. BD/BA = BC/AC h/5 = 12/13 h = 5*12/13 h = ?

  15. UmmmHELP
    • 3 years ago
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    yeah no haha ughh

  16. ganeshie8
    • 3 years ago
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    BD/BA = BC/AC h/5 = 12/13 h = 5*12/13 h = 60/13

  17. UmmmHELP
    • 3 years ago
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    Ohh okay

  18. UmmmHELP
    • 3 years ago
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    Thanks @ganeshie8

  19. ganeshie8
    • 3 years ago
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    np.. yw!

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