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Renee99
Group Title
The figure below shows triangle PQR with a circumscribed circle of radius 7 inches.
http://assets.openstudy.com/updates/attachments/505b3fd4e4b0cc122893ea30renee991348157619927456845882011121142pm1902385864.png
Which segment must measure 7 inches?
A. segment RO
B. segment RQ
C. the angle bisectors
D. the perpendicular bisectors
 2 years ago
 2 years ago
Renee99 Group Title
The figure below shows triangle PQR with a circumscribed circle of radius 7 inches. http://assets.openstudy.com/updates/attachments/505b3fd4e4b0cc122893ea30renee991348157619927456845882011121142pm1902385864.png Which segment must measure 7 inches? A. segment RO B. segment RQ C. the angle bisectors D. the perpendicular bisectors
 2 years ago
 2 years ago

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Renee99 Group TitleBest ResponseYou've already chosen the best response.0
there's also this one: Look at triangle PQR. http://assets.openstudy.com/updates/attachments/505b3fd4e4b0cc122893ea30renee991348157849369456845882011122801pm596145625.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 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
I don't know the first one, but I think the second one is A
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Segment QX is an angle bisector. What do you understand by this?
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
i cut the triangle in half
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
It divides the angle into two
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
and half of 12 is 6 so that's where I get my answer...
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
It does not divide the side, it only divides the angle.
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
In case of an isosceles triangle, it divides the opposite side also.
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
well, I know its not C nor B
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Why not C?
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
because the measure of angle XQR is 70 not 35 right
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
wait, looking at the wrong problem...
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
hold on im mixed up, was looking at the other problems pic... lol
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
but yeah, the angle is 70 and not 35 isnt it?
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Angle PQR is 70
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
ohhh, okay, then that would make C the answer
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Right
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
because half of 70 is 35! okay thanks so much! could u maybe help me with the first one now?
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Which length is the radius for first question?
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.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?
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Dotted line is the radius
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
okay, so now how do we find the measure that equals 7 inches?
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Why did you think the dotted line is the radius?
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
Idk, I think its a subconscious thing, I just remember that the dotted line should be the radius?
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
I remember learning that about radius in school
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
If you want to conclude that OR is radius, then you must prove that O is the centre of the circle.
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
here's where circumcentre comes into play
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
okay... so then would that mean that the answer is A, since we're saying it's the radius?
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.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
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.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
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
I cant remember the exact formula
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
No need of any formula
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Do you know what does circumcentre mean?
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
where the three perpendicular bisectors meet?
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
And it's also the centre of circle
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
In the picture, two pependicular bisectors meet, which means the third perpendicular bisector would also meet at the same point.
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
by this you can conclude that O is the centre of circle.
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
And OR is the radius
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
gotcha, thanks for ur help! I really really appreciate it!
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
No problem
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Are you good at chemistry?
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
somewhat, im taking chemistry this year...
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
I know the basic;s of chemistry pretty well
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
What is hardwater?
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
I believe hard water is water that has high mineral content...
 2 years ago

Renee99 Group TitleBest ResponseYou've already chosen the best response.0
or something like that, not sure, look it up?
 2 years ago

abdul_shabeer Group TitleBest ResponseYou've already chosen the best response.1
Ok, thanks
 2 years ago
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