Answer:
hope this helpful
Step-by-step explanation:
isosceles right
because A light ray incident at 90° at the first face emerges at the same angle. The diagram shows five isosceles right-angled prisms. A light ray incident at 90° at the first face emerges at the same angle with the normal from the last face.
Answer:27
Step27-by-step explanation:
Y=-X+4 finding the y intercept, b and slope, mx thus y=mx+b
