A side view of the top of a building is shown in the diagram below. The measure of angle MNT is 72 degrees. The measure of angle
QTS is 34 degrees. Line segment SQ is parallel to line segment MN. Find the measure of angle QSR.
2 answers:
Answer:
142°
Step-by-step explanation:
Make a line parallel to RT to create alternate internal angles
Answer:
Step-by-step explanation:
<u>Since QS ║ MN, the following equations are true:</u>
- m∠SQT = m∠QNM as alternate interior angles
- m∠QNM = 180° - 72° = 108° as linear pair
The angle QSR is exterior of ΔSQT.
<u>Exterior angle measure is the sum of non-adjacent interior angles:</u>
- m∠QSR = m∠SQT + m∠STQ
- m∠QSR = 108° + 34° = 142°
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