Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Faman39 Group Title

You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including a 12 -inch square as the bottom and you want the slant height to be 14 inches, how much poster board do you need? 252 in2 420 in2 480 in2 532 in2

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    @UnkleRhaukus can you able to help me ?

    • 2 years ago
  2. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    |dw:1352387741795:dw|

    • 2 years ago
  3. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    I still cant get this, can you able go in bit detail ?

    • 2 years ago
  4. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    can you see how i flattened all the surfaces a plane?

    • 2 years ago
  5. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Yes

    • 2 years ago
  6. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    you have a square , and four big triangles,

    • 2 years ago
  7. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    ok

    • 2 years ago
  8. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    the area of a square is the side length squared the area of a triangle is half of the base times the height

    • 2 years ago
  9. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Are we gonna....multiply 14 and 12?

    • 2 years ago
  10. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    i am sorry i am totally talking wrong

    • 2 years ago
  11. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    yes the base of the triangles is 12 and they have a height of 14 , the area of each tringle is half these multiplied together

    • 2 years ago
  12. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    but i got 168 ? :(

    • 2 years ago
  13. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    how?

    • 2 years ago
  14. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    I do not know, probably i m doing wrong i know :(

    • 2 years ago
  15. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    that must be for it

    • 2 years ago
  16. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    what did you get for the area of the square? and what did you get fo the area of each triangle ?

    • 2 years ago
  17. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    i multiply 14 with 12 :(

    • 2 years ago
  18. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    the area of a triangle is HALF of the base times the height

    • 2 years ago
  19. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    so half * 14 * 12

    • 2 years ago
  20. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    what do you get?

    • 2 years ago
  21. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    84 :(

    • 2 years ago
  22. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    right so , one triangle is 84 in^2 what is the area of the square

    • 2 years ago
  23. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    12?

    • 2 years ago
  24. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    the area of a square is the side length squared \[12^2=\]

    • 2 years ago
  25. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    14 ?

    • 2 years ago
  26. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    sorry about that

    • 2 years ago
  27. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    \[12^2=12\times12=\]

    • 2 years ago
  28. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    144

    • 2 years ago
  29. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    right

    • 2 years ago
  30. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    the total area is made up of 4 triangles and one square ,

    • 2 years ago
  31. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    So we divide 4 with 144 ?

    • 2 years ago
  32. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    add the area of the square to four times the area of the triangle

    • 2 years ago
  33. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Still not getting any correct point

    • 2 years ago
  34. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    i am so sorry, i m horrible that i m getting wrong answer

    • 2 years ago
  35. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    144 * 12 * 4 ?

    • 2 years ago
  36. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    \[A_{\text{square}}=12 [\text{in}]\times12 [\text{in}]=144 [\text{in}]^2\] \[A_{\text{triangle}}=\frac{14 [\text{in}]\times12 [\text{in}]}2=84 [\text{in}]^2\] \[SA_{\text{square pyramid}}=A_{\text{square}}\quad+\quad4\times A_{\text{triangle}}\]

    • 2 years ago
  37. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Thank you so so much @UnkleRhaukus, your so awesome and genius!!!!!

    • 2 years ago
  38. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    thanks alot! And i m sorry for troubling :(

    • 2 years ago
  39. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    i know, i m totally pain, cuz i barely understand thing

    • 2 years ago
  40. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    i hope it makes some sense now, can you tell me how much poster board do you need?

    • 2 years ago
  41. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    480 in2

    • 2 years ago
  42. UnkleRhaukus Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    \[\color\red\checkmark\]

    • 2 years ago
  43. Faman39 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Thank you so much @UnkleRhaukus !!! your too great!!!!!!

    • 2 years ago
    • Attachments:

See more questions >>>

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.