Answer:
to study the nature and size of the image formed by a convex lens using a candle and a screen activity file
16.81
Step-by-step explanation:
P = 4a.
then the length of a side is 16.4 /4 = 4.1.
A = a * a = 4.1 * 4.1 = 16.81
2/3
Step-by-step explanation: :)