Answer:
m ACG = 17
x = 24
Step-by-step explanation:


When the incident ray passes through the focal point, a light ray striking a concave concave mirror reflect off parallel to the principal axis. The correct option among all the options given in the question is the third option or option "C". I hope the answer comes to your help.
Answer:
59°
Step-by-step explanation:
From the diagram, shown in the attachment line x and y are parallel lines.
Angle 7 and angle 6 are angles on a straight line.
The two angles will add up to 180 degrees.

But angle 7 measures 121°.
This implies that:

Solve for angle 6 to get;
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I hope you understood....if not...comment and I will be willing to still help