Math, asked by usgsmumbai, 1 month ago

How to solve please check the picture and help me

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Answered by amarjyotijyoti87

Answer:

c answer is 2d+ -rd/2

hope it helps you.

Thanks.

Answered by Anonymous

Answer:

Reflected ray. A ray of light or other form of radiant energy which is thrown back from a nonpermeable or nonabsorbing surface; the ray which strikes the surface before reflection is the incident ray.

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