A rectangular plot of grass is $80$ metres long and $60 m$ broad. From $3$ metre wide path goes across the centre from the opposite side. Find the area of these path?

420 m^{2}

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411 m^{2}

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402 m^{2}

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None of these

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Solution

The correct option is A $411 m^{2}$
Area of Path $=$ Area of EFGH + Area of IJKL - Area of MNOP
$= 3 \times 80 + 3 \times 60 - 3 \times 3$
$= 240 + 180 - 9$
$= 420 - 9$
$= 411 m^{2}$

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A rectangular plot of grass is 80 metres long and 60m broad. From 3 metre wide path goes across the centre from the opposite side. Find the area of these path?

The correct option is A 411 m2Area of Path = Area of EFGH + Area of IJKL - Area of MNOP =3×80+3×60−3×3 =240+180−9 =420−9 =411 m2

A rectangular plot of grass is $80$ metres long and $60 m$ broad. From $3$ metre wide path goes across the centre from the opposite side. Find the area of these path?

The correct option is A $411 m^{2}$
Area of Path $=$ Area of EFGH + Area of IJKL - Area of MNOP
$= 3 \times 80 + 3 \times 60 - 3 \times 3$
$= 240 + 180 - 9$
$= 420 - 9$
$= 411 m^{2}$