(NEED ASAP) what is the measure of ∠b?
2 answers:
Answer:
b= 140 degrees
Step-by-step explanation:
In order to find it, we must know that a lin has an angle of 180.
So woth that, just used that angle to make an equation of
"40+b=180"
Just subtract 40 on both sides and you get
"b=140"
:D
This a questions about angles! Let's see how to solve it:
In this figure, we have a straight angle. A straight angle is a 180 degree angle. In this case, the straight angle is the sum of 40° and <em>b</em>.
So, we can do an equation and solve it. See below:
Therefore, the measure of is 140°.
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