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# Help

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https://web2.0calc.com/questions/help_5741

I'm not sure if he/she is correct of right, can anyone check and explain how he or she is right because what's the point if I got the answer but have no idea how he/she did it.

Oct 21, 2020

#1
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Circle diameter = 8      radius = 4 cm    area = pi r^2 = 16pi   cm2

DIAGONAL of smaller square = 8 cm

side length of smaller square    s^2 + s^2 = 8^2     s = sqrt 32

area of square = s x s = 32 cm2

The FOUR areas inside the circle and out side the square =   16pi - 32    cm^2

if you want the area of ONE....divide by four

Oct 21, 2020
#4
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What question did you answer?!? Dragan  Oct 21, 2020
#2
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Yes, he is right!!! big square side  a = 8          circle diameter   = 8         small square diagonal   d = 8

small square side   s = sqrt(d2 / 2) = sqrt(32)

The length of the arrow   z = (d - s) / 2    or      z = (8 - √32) / 2

Oct 21, 2020
edited by Dragan  Oct 21, 2020
#3
+1

To confirm, yes the Guest is correct. Sometimes Guests can post something incorrect with just the answer, so it's good to check Oct 21, 2020
#6
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Cal, as a guest, I resemble that remark.  It's not only guests who post only the answer with no explanation.

.

Guest Oct 21, 2020
#5
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"The space between the circle and the inner square is what?"  <======= From the header of the question....implies AREA.

If you just want the length of the line, I did most of the work already:

(circle diameter - square side)/2  =   (8 - sqrt32)/2      Nothing hard there.....anyone should be able to get that ! Oct 21, 2020
#7
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I think you're right! I misunderstood the question. I'll give you a plus, and to my self a minus. Dragan  Oct 22, 2020