Question

If x + 7 is the mean proportional between (x+3)
and (x + 12), find the value of x.​

Answer 1

Answer:

tomorrow's oral test :

1. Describe myopia with neat label diagram.

2. Describe hypermetropia with neat labelled diagram.

3. Describe presbyopia.

4. A person with a myopic eye cannot see objects beyond 1.2 m distinctly.

What should be the type of the corrective lens used to restore proper

vision?

5. What is the far point and near point of the human eye with normal

vision?

Answer 2

Answer:

x=24 is the correct answer