mussiehayelom mussiehayelom

03-05-2017
Mathematics

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A dog is on a 20-foot leash in the backyard. Approximately how much area does the dog have to move around in the yard?

(Use π=3.14 .)

A dog is on a 20foot leash in the backyard Approximately how much area does the dog have to move around in the yard Use π314 class=

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Plebdough Plebdough

03-05-2017

With a 20 ft leash, the dog can move in the circle. Now, knowing that he can move around in a circle, we just need to use the circle formula. A = 3.14(r) squared.
Since you use 3.14 for pi; A = 3.14(20) squared --> A = 1256

Answer = 1256

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1.07 x 104 -3.38 × 10³