10.36 and you will get 19.30
Answer:

Step-by-step explanation:
Using the definition of similar triangle, we have the equation for problem no. 14 as:

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Ok the diameter would be 0.000000024cm
because 1.2 x 0.00000001 = 0.000000012
that is the radius so we multiply by 2 to get the diameter
0.000000012 x 2 = 0.000000024