anonymous
  • anonymous
Find the measures of the numbered angles in the figure below. What did I do wrong?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
one sec.
anonymous
  • anonymous
Vocaloid
  • Vocaloid
let's take it from the top, ok? |dw:1437020310588:dw|

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anonymous
  • anonymous
ok
Vocaloid
  • Vocaloid
|dw:1437020428692:dw|
Vocaloid
  • Vocaloid
|dw:1437020492098:dw|
Vocaloid
  • Vocaloid
with me so far?
anonymous
  • anonymous
ya
Vocaloid
  • Vocaloid
can you tell me what angle 1 is now?|dw:1437020601754:dw|
anonymous
  • anonymous
how would you find that angle?
Vocaloid
  • Vocaloid
|dw:1437020714976:dw|
Vocaloid
  • Vocaloid
(angle 1) + 103 + 38 = 180, so what is (angle 1)?
anonymous
  • anonymous
179
Vocaloid
  • Vocaloid
uh, not quite, can you try one more time? subtract 103 from each side, what do you get?
anonymous
  • anonymous
lm sorry im a little lost. is it 65?
Vocaloid
  • Vocaloid
(angle 1) + 103 + 38 = 180 (angle 1) = 180-103-38 = __?
anonymous
  • anonymous
39 degrees.
Vocaloid
  • Vocaloid
right
anonymous
  • anonymous
oh ok
Vocaloid
  • Vocaloid
going back to our original diagram, we use the rule of alternate exterior angles|dw:1437021198942:dw|
Vocaloid
  • Vocaloid
angle 2 is 103
Vocaloid
  • Vocaloid
one last step|dw:1437021326974:dw|
Vocaloid
  • Vocaloid
(angle 1) = 39 (angle 2) = 103 (angle 1) + (angle A) + (angle 2) = 180 (angle A) + 39 + 103 = 180 so what is angle A?
anonymous
  • anonymous
sorry i got disconnected.
anonymous
  • anonymous
would it be 142 degrees?
Vocaloid
  • Vocaloid
not quite... __ + 39 + 103 = 180 fill in the blank
anonymous
  • anonymous
oh i think i get it one sec.
anonymous
  • anonymous
126 degrees?
anonymous
  • anonymous
angle A. i havent attempted to solve yet
Vocaloid
  • Vocaloid
not quite... we want to put a number in the blank that will make both sides equal __ + 39 + 103 = 180 what number do we need to add to 39 and 103 to get to 180?
anonymous
  • anonymous
38 degrees?
Vocaloid
  • Vocaloid
YES! angle A = 38
Vocaloid
  • Vocaloid
|dw:1437022063767:dw| angle 3 = angle A = 38
Vocaloid
  • Vocaloid
aaaand that's it, we found the values of all 3 angles
anonymous
  • anonymous
Thank you soo much for being patient and helping me.

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