If angle A and angle B are supplementary, and angle A measures 45 degrees, what is the measure of angle B?

Practice Questions

1 question
Q1
If angle A and angle B are supplementary, and angle A measures 45 degrees, what is the measure of angle B?
  1. 135 degrees
  2. 45 degrees
  3. 90 degrees
  4. 180 degrees

Questions & Step-by-step Solutions

1 item
Q
Q: If angle A and angle B are supplementary, and angle A measures 45 degrees, what is the measure of angle B?
Solution: Supplementary angles sum up to 180 degrees. Therefore, angle B = 180 - 45 = 135 degrees.
Steps: 6

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