Urgent plz math!

find the measure of angle b.

question 5 options:

30°

60°

90°

120°

➷ Angles in a triangle total to 108 degrees

180 - (45 + 15) = 120

Angle B is 120 degrees.

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the distance between the  placeson the number line and 0 is called the number's absolute value. to write the

absolute value of a number, use short vertical lines (|) on either side of the number