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# In the figure, ABC is an equilateral triangle, and DAB is a right tria

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Intern
Joined: 26 Apr 2018
Posts: 39
In the figure, ABC is an equilateral triangle, and DAB is a right tria  [#permalink]

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29 Sep 2018, 07:56
1
00:00

Difficulty:

75% (hard)

Question Stats:

38% (02:02) correct 63% (02:09) wrong based on 16 sessions

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In the figure, ABC is an equilateral triangle, and DAB is a right triangle. What is the area of the circumscribed circle?

(1) DA = 4

(2) Angle ABD is 30 degrees

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Math Expert
Joined: 02 Sep 2009
Posts: 56244
Re: In the figure, ABC is an equilateral triangle, and DAB is a right tria  [#permalink]

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29 Sep 2018, 09:53
bettatantalo wrote:
In the figure, ABC is an equilateral triangle, and DAB is a right triangle. What is the area of the circumscribed circle?

(1) DA = 4

(2) Angle ABD is 30 degrees

source gmat tutor

Discussed here: https://gmatclub.com/forum/in-the-figur ... 05599.html
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Re: In the figure, ABC is an equilateral triangle, and DAB is a right tria   [#permalink] 29 Sep 2018, 09:53
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