Question 275117
Hello, 
It's best to present only one problem at a time. I'll help you on the first one. 
Let x represent the smaller angle. Therefore the equation will be:
x+(3x+40)=180 Combine like terms to get and subtract 40 from both sides to get:
4x=140
x=35 degrees
Can you figure out the larger angle?
RJ
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www.math-unlock.com