Question

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Answer 1

The area of the shaded region in this case is equal to the circumference of a circle with a radius of half of one side of the square, namely 5 cm. ^-^

Answer 2

oh, I see, so clear, thanks :)
let me solve it then

Answer 3

10pi.. is that right?

Answer 4

Yeah, 10pi is correct. xD

When I saw 25pi, I decided to double check that I remember the formula correctly. XD

Answer 5

yeah, i put the wrong one a while ago.
yes, thank you so much :))