A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 4 years ago

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. The support posts is 10 ft tall. How far from the front of the house is the support post positioned? This is a triangle and this is the way or sample on how to do it: Corallary 2=x ab/ac= ac/ad Corollary 1=y ad/cd= cd/db I was trying this to do the corollary 2: factor x/25 = 25/25x

  • This Question is Closed
  1. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    how tall is the front of the house?

  2. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    what i know is that the A to C is 25 ft

  3. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    that is the base of the house

  4. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1327657181669:dw|

  5. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    how you write in the computer so i can do the drawing too so you can see it?

  6. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    below the textbox there is a "draw" button

  7. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    : )

  8. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    to solve for x, we need either the angle the roof slopes or the length of the roof overhang

  9. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1327657374136:dw|

  10. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    that help????

  11. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes :)

  12. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    where is front of house, A or C ?

  13. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    c

  14. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1327657781695:dw| set up proportion using corresponding sides x/10 = 10/(25-x)

  15. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    is that all the answer, ok thanks

  16. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    well the goal is to solve for x....cross-multiply...set equal to 0

  17. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    the point is that i am supposed to use the formular corollary1 and 2 to get the answer

  18. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    we are assuming triangle ABC is a right triangle ?

  19. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes

  20. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    i used the corollary when setting up the proportion

  21. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I think i made a mistake it should be like this |dw:1327658765372:dw|

  22. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1327658850698:dw| congruent sides are always opposite congruent angles put a's together and b's together x/10 = 10/(25-x)

  23. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    oops i meant corresponding sides not congruent

  24. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes that is exactly how i am doing ok could you continue please

  25. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    x(25-x) = 100 25x -x^2 = 100 x^2 - 25x +100 = 0 (x-20)(x-5) = 0 x= 20 or 5 x must be larger than 25-x according to diagram x = 20

  26. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    then i think should be x2

  27. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    x should be from a to c

  28. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    correct

  29. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    oh that was from your 1st picture

  30. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yeap

  31. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so your answer is no correct?

  32. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    haha i'm not sure, so they want the length AC from your last pic?

  33. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    the x is a to c

  34. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes

  35. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no the x i solved for was AD in first one, BD in 2nd one

  36. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    and a to d

  37. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    let me see

  38. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1327659555813:dw|

  39. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    just use Pythagorean theorem to get AC

  40. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    that is french haha

  41. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no i think he was Greek. :) right triangles....a^2 +b^2 = c^2

  42. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok I have to go I really appreciate your help and patience : ) and of course the answer

  43. dumbcow
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    AC = 5sqrt(5)

  44. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.