A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

What is the surface area of this square pyramid? A. 1080 m2 B. 360 m2 C. 504 m2 D. 414 m2

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @taramgrant0543664

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

    @Shirley27

  3. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    that pyramid has 4 triangles that are congruent meaning they the same area so 4(the area of one) area of one trianle is 1/2x15x12

  4. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    add up that with the area of the base, which is a square area of a square = 12^2

  5. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    that will give the surface area

  6. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    did yo get it?

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

    144??

  8. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Surface area = 1/2x15x12+12^2

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

    12 *12 right

  10. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    don't know i don't have a calculator haha

  11. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes 144 =12^2

  12. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    you still need to add 1/2 x 15 x12

  13. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    144+90=?

  14. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    got 162

  15. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    hmm how?

  16. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    1/2 15 12=90 90+144=234

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

    \[15\times12\div \frac{ 1 }{ 2}=\]

  18. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    +144

  19. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no the area of a triangle is 1/2 hxb

  20. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \(\frac{1}{2}hb\)

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

    o srry got 234

  22. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ok now you are good!!

  23. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    when i did it again

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

    ok then what

  25. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    that's all!!

  26. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    oh hold we forgot to multiple 90 by 4

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

    brb

  28. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    because there are four triangle

  29. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    so 360+144=?

  30. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    that was blinder from me. i wrote above, i thought i did that already

  31. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    So surface area =360+144=504 which matches one of your answers

  32. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    you got it?

  33. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    if you are confused say so

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

    no i was doing sumpthin im back now

  35. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ok

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

    thanks can u help with some more

  37. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    I'm actually leaving to sleep!

  38. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    o ok:(((

  39. xapproachesinfinity
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    if you have a quick question n problem

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

    ok

  41. 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.