Two circular pieces of equal radii and maximum area touching each other are cut out from a rectangular card board of dimensions 14 cm 7 cm Find the area of the remaining card board Mathematics CBSE class 10 2013

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Two circular pieces of equal radii and maximum area, touching each other are cut out from a rectangular card board of dimensions 14 cm 7 cm. Find the area of the remaining card board. Mathematics CBSE class 10 2013

Two circular pieces of equal radii and maximum area, touching each other are cut out from a rectangular card board of dimensions 14 cm 7 cm. Find the area of the remaining card board.[Use pie = 22/7]


Asked by:tarun101

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Area of rectangular board = (14 X 7) = 98cm2
Area of 2 circular pieces = 2 X pi X r2 = 2 X 22/7 X 7/2 X 7/2
                                        =77cm2
then,
area of remaining cardboard= 98 - 77 = 21cm2

Answerd By:akialwayz

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