Check the picture below.
Answer:
angle c
Step-by-step explanation:
angle c is the angle of incidence. It is the angle between the perpendicular ( line that meets the surface at 90 degrees) and the ray that is coming in
4
COUNT ALL (16) DIVIDE BY 4
Answer: 0.8
A
log 9 X= 3/2
x= 3.5
or x= 7/2