Question

Ek tiribhuj ki rachana kijiye jishke Aadhar BC= 5 cm ab+ AC = 7.8cm< b= 60

Answer 1

Step-by-step explanation:

If the incident ray falls along the normal, the angle of incidence is 0 degrees, NOT 90 degrees. The angle is measured with the normal to the mirror and not with the plane of the mirror. Hence the angle of reflection is equal to 0 degrees.