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# If the area of a square is 16y2 , what is the length of a side in term

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Math Expert
Joined: 02 Sep 2009
Posts: 46216
If the area of a square is 16y2 , what is the length of a side in term [#permalink]

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22 Sep 2017, 00:48
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98% (00:14) correct 3% (00:00) wrong based on 40 sessions

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If the area of a square is 16y^2, what is the length of a side in terms of y?

(A) y
(B) 2y
(C) 4y
(D) y^2
(E) 4y^2

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Re: If the area of a square is 16y2 , what is the length of a side in term [#permalink]

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22 Sep 2017, 01:00
Bunuel wrote:
If the area of a square is 16y^2, what is the length of a side in terms of y?

(A) y
(B) 2y
(C) 4y
(D) y^2
(E) 4y^2

Area of square = 16y^2
Side of square = $$\sqrt{16y^2}$$ = 4y

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Re: If the area of a square is 16y2 , what is the length of a side in term [#permalink]

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22 Sep 2017, 01:01
1
16y^2= (4y)^2
As area of square=side^2
4y is the side
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Re: If the area of a square is 16y2 , what is the length of a side in term [#permalink]

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23 Sep 2017, 09:23
Bunuel wrote:
If the area of a square is 16y^2, what is the length of a side in terms of y?

(A) y
(B) 2y
(C) 4y
(D) y^2
(E) 4y^2

Area = 16y^2 = (4*y)^2
Side = 4y

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Re: If the area of a square is 16y2 , what is the length of a side in term   [#permalink] 23 Sep 2017, 09:23
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