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# In the figure above, the triangle is equilateral, and the area of the

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Math Expert
Joined: 02 Sep 2009
Posts: 50619
In the figure above, the triangle is equilateral, and the area of the  [#permalink]

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11 Nov 2017, 05:56
00:00

Difficulty:

(N/A)

Question Stats:

86% (00:15) correct 14% (00:00) wrong based on 12 sessions

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In the figure above, the triangle is equilateral, and the area of the square region is 100. What is the perimeter of the triangle?

(A) 10
(B) 30
(C) 50
(D) 60
(E) 75

Attachment:

2017-11-11_1745_001.png [ 2.88 KiB | Viewed 493 times ]

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Joined: 22 May 2016
Posts: 2099
In the figure above, the triangle is equilateral, and the area of the  [#permalink]

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Updated on: 11 Nov 2017, 07:06
Bunuel wrote:

In the figure above, the triangle is equilateral, and the area of the square region is 100. What is the perimeter of the triangle?

(A) 10
(B) 30
(C) 50
(D) 60
(E) 75

Attachment:
2017-11-11_1745_001.png

Area of the square = 100
Area of square = $$s^2$$
$$s^2$$ = 100
$$s = 10$$

The square's top side = one side of equilateral triangle

The triangle's sides are equal.

Perimeter = (3)(10) = 30

Originally posted by generis on 11 Nov 2017, 07:05.
Last edited by generis on 11 Nov 2017, 07:06, edited 1 time in total.
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Re: In the figure above, the triangle is equilateral, and the area of the  [#permalink]

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11 Nov 2017, 07:06
Bunuel wrote:

In the figure above, the triangle is equilateral, and the area of the square region is 100. What is the perimeter of the triangle?

(A) 10
(B) 30
(C) 50
(D) 60
(E) 75

Attachment:
2017-11-11_1745_001.png

Each side of the square = Each sides of the Triangle = 10

So, Perimeter of the Triangle is 3*10 = 30

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Re: In the figure above, the triangle is equilateral, and the area of the &nbs [#permalink] 11 Nov 2017, 07:06
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