Find the value of x.

- anonymous

Find the value of x.

- Stacey Warren - Expert brainly.com

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- anonymous

##### 1 Attachment

- anonymous

:P :P :P

- anonymous

Not the greatest picture in the world.

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## More answers

- anonymous

not hd, huh

- anonymous

What do you think it is?

- anonymous

but it looks cool, white crystals, me and my uncle went crystal picking and we also found some cool ones... but mine were purple

- anonymous

i have not idea, a crystal lol

- anonymous

they're a pale pink, actually.

- anonymous

rock

- anonymous

ok emily this is another simple one. x is the radius of the circle right.

- anonymous

yep

- anonymous

what do I do?

- anonymous

is the 12 the length of the whole line or just up the the point where the line of 9 meets it

- anonymous

I think it's just where the 9 meets

- anonymous

|dw:1369728122034:dw|

- anonymous

u see the kind of dotted line right. that makes ur triangle and the raduis. so the ans for the dotted line is = x

- anonymous

do u understand

- anonymous

yes

- anonymous

so what ans did u get

- anonymous

15.

- anonymous

yeah u right

- anonymous

ok :) thanks.

- anonymous

What about this one?

##### 1 Attachment

- anonymous

@Kapt_Crazy

- anonymous

The answer to the first problem is not 15.

- anonymous

i think it's 40.

- anonymous

do u need to calculate the angle

- anonymous

prove it.

- anonymous

lol what a challenge

- anonymous

It's an easy one, actually. Since the "9" line is right to the "12" line, you know that it also bisects the "12". Which means that you have a right triangle with a long leg of 9, a short leg of 6, and the hypotenuse of that triangle would be the radius of the circle - which also just happens to be what "x" is.

- anonymous

those angles well be equal because

- anonymous

so it's 12?

- anonymous

|dw:1369728687803:dw|

- anonymous

|dw:1369728693846:dw|

- anonymous

|dw:1369728808616:dw|

- anonymous

is the first one actually 15?

- anonymous

and if the lines are the same length rhss then the angles are the sme

- anonymous

is the entire line 12, or is half the line 12?

- anonymous

- "is the first one actually 15?" Which part of "The answer to the first problem is not 15" is giving you problems? Look at my diagram and all will be clear - IF you THINK about it.

- anonymous

qweqwe is right if the line full length is 12. but if it was the full length the would have centerewd the 12 and not had it ofcentered

- anonymous

off centered

- anonymous

it goes out from the radius perpendicularly, it cant be off-center

- anonymous

|dw:1369729065516:dw|

- anonymous

|dw:1369729144486:dw|

- anonymous

i still believe the ans is 15

- anonymous

Yes, I see what you're saying, and you may have a valid point. And if the picture is drawn to scale, then your argument is further supported. So if the long leg is 12, then the radius is indeed a nice, neat 15.

- anonymous

yeah else it would be 10. sumthing

- anonymous

sqrt117 36+81=117

- anonymous

Yeah, a far less than neat 10.82 or so. :-)

- anonymous

are there any details aabout the length AB and CD are they given equal in question

- anonymous

I'm gonna go with Kapt_Crazy on this one and say that the radius IS 15 for the first problem, based on the offset "12". But it sure would help if the producers of these diagrams would make things unambiguous for the viewers. On the last problem a leg was found based on the assumption that a particular line was tangent, without the problem giving any clues that it was. And as for the second problem, the 2 chords have hash marks which means they're congruent. If the 2 chords are congruent, then so are the angles they subtend, so x=40

- phi

**. If the 2 chords are congruent, then so are the angles they subtend, so x=40 this follows from the two triangles being congruent by side-side-side: (radius, radius, = chord). therefore by corresponding parts of congruent triangles, the central angles are congruent.

- anonymous

Thanks y'all

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