A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

Sol is building a planting bed in the shape of a trapezoid. The bed will be 9 in deep. The bases of the trapezoid are 2ft and 8 ft and the sides are both 5 ft long. How many cubic feet of topsoil is needed to fill the bed?

  • This Question is Closed
  1. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    area of a trap is (b+b)h/2 so times that by 9 after calculating for the height

  2. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    and if course converting to inches.... or viceaversa

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

    ha right on... I am trying to work it out now... and see ...

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

    base and base is 2 and 8 ?

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

    and the height is the 9?

  6. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    1 Attachment
  7. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    one thing to remember is that a 3-4-5 triangle is a rt trianlge; and they love to use it....

  8. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    5^2 = 3^2 + h^2 25 - 9 = h^2 16 = h^2 ; h=4

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

    good grief

  10. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    (2+8)4 ------ = area = 20 2

  11. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    9 inches aint a foot; so convert it; 9/12 = 3/4 20(3/4) = 5(3) = 15 cubic feet

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

    so 15 cubic feet of top soil is needed... ok.. let me finish my problem and check it to yours.... thank you again!

  13. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    youre welcome :)

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

    Alright... I get the same... but it would have been wrong... I didnt know to convert. Good beans~

  15. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    you get a ruler .... :) 1 ft = 12 in 9in(1ft) ------ = (9/12) ft = (3/4)ft 12 in

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

    I like how you show the work and where it all comes from... Very great on the clarification!!! :)

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

    yeah it totally made sense

  18. 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.