Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Renee99

  • 3 years ago

The figure below shows triangle PQR with a circumscribed circle of radius 7 inches. http://assets.openstudy.com/updates/attachments/505b3fd4e4b0cc122893ea30-renee99-1348157619927-456845882011121142pm1902385864.png Which segment must measure 7 inches? A. segment RO B. segment RQ C. the angle bisectors D. the perpendicular bisectors

  • This Question is Closed
  1. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    there's also this one: Look at triangle PQR. http://assets.openstudy.com/updates/attachments/505b3fd4e4b0cc122893ea30-renee99-1348157849369-456845882011122801pm596145625.png Segment QX is an angle bisector. Which statement must be true? A. length of segment XP = 6 inches B. length of segment XQ = 4 inches C. measure of angle XQR = measure of angle XQP = 35˚ D. measure of angle QRX = 180˚ – (90˚+ 35˚) = 180˚ – (125˚) = 55˚ I think the answer is A, is that right?

  2. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I don't know the first one, but I think the second one is A

  3. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Segment QX is an angle bisector. What do you understand by this?

  4. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i cut the triangle in half

  5. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it*

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

    It divides the angle into two

  7. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    and half of 12 is 6 so that's where I get my answer...

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

    It does not divide the side, it only divides the angle.

  9. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ohh okay.

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

    In case of an isosceles triangle, it divides the opposite side also.

  11. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    well, I know its not C nor B

  12. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Why not C?

  13. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    because the measure of angle XQR is 70 not 35 right

  14. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    wait, looking at the wrong problem...

  15. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    hold on im mixed up, was looking at the other problems pic... lol

  16. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    but yeah, the angle is 70 and not 35 isnt it?

  17. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Angle PQR is 70

  18. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ohhh, okay, then that would make C the answer

  19. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Right

  20. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    because half of 70 is 35! okay thanks so much! could u maybe help me with the first one now?

  21. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Which length is the radius for first question?

  22. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    well, its says a circumscribed circle of radius 7 inches, which kind of confuses me, but I always thought the radius was the doted line?

  23. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Dotted line is the radius

  24. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    okay, so now how do we find the measure that equals 7 inches?

  25. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Why did you think the dotted line is the radius?

  26. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Idk, I think its a subconscious thing, I just remember that the dotted line should be the radius?

  27. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I remember learning that about radius in school

  28. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    If you want to conclude that OR is radius, then you must prove that O is the centre of the circle.

  29. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    here's where circumcentre comes into play

  30. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    okay... so then would that mean that the answer is A, since we're saying it's the radius?

  31. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Answer is right, but you cannot just conclude that OR is radius. The main question is that you need to prove that OR is radius

  32. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    okay, isn't there a formula for that, I don't have my formula sheet with me, but if I remember correctly, isn't something like 3.14(R)^2

  33. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I cant remember the exact formula

  34. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    No need of any formula

  35. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Do you know what does circumcentre mean?

  36. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    where the three perpendicular bisectors meet?

  37. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    And it's also the centre of circle

  38. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    In the picture, two pependicular bisectors meet, which means the third perpendicular bisector would also meet at the same point.

  39. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    by this you can conclude that O is the centre of circle.

  40. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    And OR is the radius

  41. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    gotcha, thanks for ur help! I really really appreciate it!

  42. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    No problem

  43. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Are you good at chemistry?

  44. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    somewhat, im taking chemistry this year...

  45. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I know the basic;s of chemistry pretty well

  46. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    basic's*

  47. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    What is hardwater?

  48. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I believe hard water is water that has high mineral content...

  49. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    or something like that, not sure, look it up?

  50. abdul_shabeer
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Ok, thanks

  51. Renee99
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    np :)

  52. 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