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Zanzabum
3 years ago
9

I got the answer 0.007853982 inches sq, but it says it’s not correct, what am I doing wrong?

Mathematics
1 answer:
sesenic [268]3 years ago
7 0

Answer:

Area of pupil = 0.007855 square inch.

Step-by-step explanation:

Given the following data;

Diameter = 0.1 inch

To find the area of the pupil (circle);

Area of circle = π(D/2)²

Area of pupil = 3.142*(0.1/2)²

Area of pupil = 3.142*(0.05)²

Area of pupil = 3.142*0.0025

Area of pupil = 0.007855 square inch.

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