A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

DallasLifeBaby01

  • one year ago

A triangular flowerbed is being planted inside a circular area of grass. What is the area of the grass (the area surrounding the flowerbed)? (Use 3.14 for π.) 1) 1,965.74 ft 2 2) 8,996.96 ft 2 3) 3,315.74 ft 2 4) 9,212.96 ft 2 drawing will be in comments ( I'm helping grade a kids work)

  • This Question is Closed
  1. DallasLifeBaby01
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1437829703449:dw|

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

    does heron's formula sound familiar?

  3. DallasLifeBaby01
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes, I'm not trying to solve this problem tho, the kid who's pear this is chose answer 3 and iwas wondering if it was correct and if not what is the correct answer

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

    https://en.wikipedia.org/wiki/Heron%27s_formula First find half the perimeter of the triangle, s = (1/2)*(50+27+58) = 67.5 Area Triangle \[A=\sqrt{s*(s-a)(s-b)(s-c)} = \sqrt{67.5*(67.5-27)(67.5-58)(67.5-50)} \approx 674.16\]

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

    Area triangle is about 674.16

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

    Area Circle is Pi*R^2

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

    Area Grass = Area Circle - Area Triangle

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

    what is the circle radius?

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

    Is there a line that ends on the circle on both sides... i can't tell from that drawing

  10. DallasLifeBaby01
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it doesn't give any thing for the circle just the triangle

  11. 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.