Based on the information provided, the sum of all the labeled angles is 235° (option b).
<h3>How to calculate the sum of all labeled angles?</h3>
To calculate the sum of all the labeled angles we must add the different values of each labeled angle as shown below:
80° + 92° + 40° + 23° = 235°
According to the above, it can be inferred that the correct option is B because the result of the sum of the values coincides with this sum.
Learn more about degrees in: brainly.com/question/1217620
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Answer:
In a parallelogram, opposite sides are the same length. If PR = ST, then the same would happen for the other sides.
Step-by-step explanation:
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I'm not sure what you're asking but they each took 5 hours of work into one hour..
