A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

mckenzieandjesus

  • one year ago

is tangent to circle O at B. What is the length of the radius r? Round to the nearest tenth. 4.8 8.4 11.0 23.0

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

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

    @jim_thompson5910

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

    AB is tangent to circle O at B

  4. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    same idea as before r^2 + 5^2 = 9.8^2 solve for r

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

    do i subtract 5^2 from 9.8^2?

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

    sorry im really tired

  7. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes

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

    so 71.04, 71.04^2+5^2 right?

  9. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    you didn't subtract

  10. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    9.8^2 - 5^2

  11. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    oh nvm 9.8^2 - 5^2 = 71.04

  12. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    r^2 = 71.04 r = ????

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

    is 71.04?

  14. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    square root the 71.04

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

    but thats a big number..

  16. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    square ROOT

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

    oh my gosh.. im sorry, 4 square root 111/5

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

    decimal form is 18.84675..

  19. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[\Large \sqrt{71.04} \approx 8.4285230022821911\] http://web2.0calc.com/#sqrt(71.04)

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

    the calculator was wrong then. so ould it be 8.4?

  21. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    roughly, yeah

  22. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    I would just use that calc instead

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

    ok thank you

  24. jim_thompson5910
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    sure thing

  25. 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.