Can anyone help me ?

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1 Answer
P dilip_k
Mar 15, 2018

Q2

If the circle of radius #2mm# touches both the lengths of the given rectangle of length #8mm# , then fro figure it is obvious fro figure that the width of the rectangle is #4mm#

So are of the shaded part

=#"area of rectangle" - "area of circle"#

#=8xx4-pixx2^2=4(8-pi)mm^2#

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