The measurement in degrees of angle shown in the diagram above is 140 degrees
How to calculate the measurement of angle 3?
The diagram above shows two parallel line that is cut by a transversal line. Thus, we shall use the theorem of transversal and parallel lines to calculate the measurement of angle 3. This is shown below:
From the diagram, we have the following angles:
- Angle 4
- Angle 5
- 140 degrees
- Measurement of angle 3 =?
According to the transversal theorem,
angle 3 = angle 5 (vertically opposite angle)
Angle 3 = 140 degrees (Corresponding angles)
Thus, we can conclude from the above theorem that the measurement of angle 3 is 140 degrees