Add them all together and multiply by 2
Answer:
Wavelength
Step-by-step explanation:
The picture below is an example of a wavelength which is very similar.
Answer:
60
Step-by-step explanation:
x and 2x are co - interior angles, sum of co - interior angles is 180,
x + 2x = 180
3x = 180
x = 180 / 3
x = 60