anonymous
  • anonymous
HELP! PIc below! will give medals!:) AD is a diameter of circle F. Find: m arc BC, m arc CD, m arc AD, m arc AB, m arc AC, and m arc AEC
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@terenzreignz do u think u can help me out here
terenzreignz
  • terenzreignz
Were you given any specific measurements?
anonymous
  • anonymous
|dw:1365467974949:dw|

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terenzreignz
  • terenzreignz
No radius or anything? Just angle measures?
terenzreignz
  • terenzreignz
Okay, we'll work in degree measure, then, you ready?
anonymous
  • anonymous
nothing just what I gave you I swath I got
anonymous
  • anonymous
oksounds good
terenzreignz
  • terenzreignz
What's the measure of an entire straight line (as an angle)?|dw:1365461067059:dw|
anonymous
  • anonymous
180
terenzreignz
  • terenzreignz
Yes, so the total measure of this|dw:1365461181475:dw| is also 180 degrees right?
anonymous
  • anonymous
yes
terenzreignz
  • terenzreignz
So, you have your given angle, 45 degrees... and this one, marked out to be a right angle (90 degrees) What's left?|dw:1365461384066:dw| Remember, they all have to add up to 180.
anonymous
  • anonymous
50
terenzreignz
  • terenzreignz
Why 50?
terenzreignz
  • terenzreignz
Check it... what's 50 + 90 + 45 ?
anonymous
  • anonymous
oh so that pat is 40
anonymous
  • anonymous
I mean 45
terenzreignz
  • terenzreignz
45. Yes.
terenzreignz
  • terenzreignz
|dw:1365461970113:dw|
anonymous
  • anonymous
soAB=45
terenzreignz
  • terenzreignz
Yes.
terenzreignz
  • terenzreignz
so is mCD, if you didn't notice...
anonymous
  • anonymous
oh ya lol
terenzreignz
  • terenzreignz
Now, mAD, is just from A to D, what's one half of the circle...
anonymous
  • anonymous
180
terenzreignz
  • terenzreignz
|dw:1365462096220:dw|
terenzreignz
  • terenzreignz
Yeah, that's it :)
terenzreignz
  • terenzreignz
What about mBC ?
anonymous
  • anonymous
90
terenzreignz
  • terenzreignz
yes... Now what about AC ? Be careful, it probably means this... I'll tell you why later, but what does this measure|dw:1365462245737:dw|
anonymous
  • anonymous
135
terenzreignz
  • terenzreignz
Very good. Now, we took that path, because the other way for A to get into C, is the one passing through E So what's mAEC ?
terenzreignz
  • terenzreignz
|dw:1365462330918:dw|
anonymous
  • anonymous
225
anonymous
  • anonymous
opps didtjhat the wrong way
terenzreignz
  • terenzreignz
See? It looks like you've gotten the hang of it :)
terenzreignz
  • terenzreignz
Nah, 225 = 180 + 45 is correct.
anonymous
  • anonymous
is it 135
terenzreignz
  • terenzreignz
No, the other way was 135|dw:1365462477173:dw|
terenzreignz
  • terenzreignz
What are we talking about here?
anonymous
  • anonymous
i ment 90
terenzreignz
  • terenzreignz
Yeah, which arc are we talking about here?
anonymous
  • anonymous
os sorry I was only doing A to E
terenzreignz
  • terenzreignz
That's not being asked, and there is no way to get AE
anonymous
  • anonymous
idk their asking for arc AEC
anonymous
  • anonymous
im getting confused I don't no how to get arc AEB
terenzreignz
  • terenzreignz
AEC is just the arc from A to C, passing through E.
anonymous
  • anonymous
so whould it be 222
terenzreignz
  • terenzreignz
No... It's from D to C, plus the arc from A to D.
anonymous
  • anonymous
so 180+45
anonymous
  • anonymous
=225
terenzreignz
  • terenzreignz
Yes.
anonymous
  • anonymous
Finally lol thank you for your help

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