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horrorfan [7]
3 years ago
8

The answer is C,can anyone explain how?

Biology
1 answer:
lana66690 [7]3 years ago
8 0
See that there is 40 small divisions in 1 division of the micrometer(which is equal to 0.1mm or 100 micrometer)

So 40 small divisions = 100 micrometer
radius = 50 small divisions = 125 micrometer
So the area is given by C.

Hope it helps!
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