3. The product of the numbers denoting the ages (in years) of two adults is
770, What is the sum of their ages (in years)?
(2015)
(A) 87 (B) 81
(C) 57 (D) 75
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Answer:
The laws of reflections are:
1) The incident ray, the normal and the reflected ray, all lie in the same plane.
2) The angle of incidence is equal to the angle of reflection.
Step-by-step explanation:
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