anonymous
  • anonymous
NEED HELP NOW!! I WILL FAN AND METAL If the mesure of angle 2 is x,the measure of angle 3 is 40 , and the measure of angle 4 is 5x+14, what is the measure of angle 1? A.61 B.121 C.21 D.80 Picture link https://alle1333-allenschool-ccl.gradpoint.com/Resource/2159725,90A,0,0,0,0,0/Assets/testitemimages/geometry_a/parallel_and_perpendicular_lines/mc077-1.jpg
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@peachpi @misssunshinexxoxo
anonymous
  • anonymous
all angles in a triangle add up to 180. try to create an equation with angles 2, 3, and 4 that adds up to 180 |dw:1435412801948:dw|
AbdullahM
  • AbdullahM
What is the sum of all the angles in a triangle?

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anonymous
  • anonymous
@AbdullahM 180
AbdullahM
  • AbdullahM
so make an equation where the sum of angles 2, 3, and 4 are added and equal to 180
AbdullahM
  • AbdullahM
and solve for x.
anonymous
  • anonymous
\[x+40+5x+14=180\]
AbdullahM
  • AbdullahM
good job, and solve for x now :)
AbdullahM
  • AbdullahM
also btw, here is a tip for you to make it easier :) |dw:1435413151016:dw|
anonymous
  • anonymous
the answer is 21 right???
AbdullahM
  • AbdullahM
yes, x=21
anonymous
  • anonymous
thanks
AbdullahM
  • AbdullahM
but the question wants us to solve for angle 1
anonymous
  • anonymous
o
anonymous
  • anonymous
do you plug it in
anonymous
  • anonymous
@AbdullahM so what do i do
AbdullahM
  • AbdullahM
|dw:1435413493269:dw|
anonymous
  • anonymous
so the answer is 61???
AbdullahM
  • AbdullahM
correct

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