Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

mariana510

  • one year ago

can someone hep me with this problem please. Let A, B, C denote three rectangles, all with perimeter equal to 240, whose heights are h_A = 20, h_B = 60, h_C = 110, respectively. Which of the rectangles A, B, or C has the smallest area?

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

    i think its c

  2. mariana510
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thank you so much. I thought it was a but i got it wrong.

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

    oh wait i think i got it wrong

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

    P = 2b + 2h right?

  5. mariana510
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes

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

    240 = 2b + 2(20) 240 = 2b + 40 200 = 2b 100 = base of A do the same with the other rectangles 60 = base of B 10 = base of c A = b x h substitute the values then find which had the smallest area

  7. mariana510
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Thanks, also got base C with area 360

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

    welcome

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

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.