Answer:
x = 9º
∠B = 40º
Step-by-step explanation:
5x-5º = 3x+13º
<em>[add 5 to both sides]</em>
5x = 3x+18º
<em>[subtract 3x from both sides]</em>
2x = 18º
<em>[divide each side by 2]</em>
x = 9º
/ / / / / / / / / / / / / / / / / / /
3x+13º = 3(9º)+13º=27º+13º = 40º
Lines such as this have no slope. This applies to all vertical lines.
Answer:
1) 20 degrees. 2)60 degrees. 3)30 degrees
Step-by-step explanation:
For number 1, there are 180 degrees in a triangle. Since we already know all the measures, we can just make an equation.
90+31+3x-1=180
120+3x=180
-120 -120
3x=60
x=20
for number 2, the traingle must be equilateral because they all have the same measure. That's why it's 60 because 60*3=180
Last one:
Same as 1st one. Make an equation: x+3x+2x=180
Combine like terms
6x=180
x=30
180degree should be the value of B
Answer:
.22 - .06= .16
.16y should be your equation