Sonali pounded a stake into the ground, when she attached a rope to both the stake and her dog's collar, the dog could reach $9$ feet from the stake in any direction. Find the approximate area of the lawn, in square feet, the dog could reach from the stake. ( $π$ =3.14)

28

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57

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113

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254

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Solution

The correct option is D $254$
Dog can reach $9$ feet from the stake in any direction, so radius of the circular ground will be $9$ .
We know formula for area of circle is $π r^{2}$
Hence area will be $3.14 \times 9^{2}$ (value of pi is given)
$= 3.14 \times 81 = 254.34$

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Sonali pounded a stake into the ground, when she attached a rope to both the stake and her dog's collar, the dog could reach 9 feet from the stake in any direction. Find the approximate area of the lawn, in square feet, the dog could reach from the stake. ( π =3.14)

The correct option is D 254Dog can reach 9 feet from the stake in any direction, so radius of the circular ground will be 9.We know formula for area of circle is πr2Hence area will be 3.14×92(value of pi is given) =3.14×81=254.34

Sonali pounded a stake into the ground, when she attached a rope to both the stake and her dog's collar, the dog could reach $9$ feet from the stake in any direction. Find the approximate area of the lawn, in square feet, the dog could reach from the stake. ( $π$ =3.14)

The correct option is D $254$
Dog can reach $9$ feet from the stake in any direction, so radius of the circular ground will be $9$ .
We know formula for area of circle is $π r^{2}$
Hence area will be $3.14 \times 9^{2}$ (value of pi is given)
$= 3.14 \times 81 = 254.34$