Question

What is the area of a circle with a
radius of 1.2 mm?

Answer 1

A = 4.5216mm2

Explanation:

A = πr2

A = (3.14) x (1.2)2

A = 3.14 x 1.44

A = 4.5216

Answer 2

The above answer is wrong.
The formula for a circle is Pi multiplied by radius squared
Which is pi*1.2^2
Which is 4.52389342
Which is 4.5234mm squared or 4.5mm squared