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(1) \(DBC\) is an equilateral triangle.
(2) \(ABD\) is an isosceles triangle.
[spoiler]OA=A[/spoiler]
Source: GMAT Club Tests
In the right triangle \(ABC\) above, the length of \(AB\) is \(5\sqrt3.\) What is the area of triangle \(ABC?\)
(1) \(DBC\) is an equilateral triangle.
(2) \(ABD\) is an isosceles triangle.
[spoiler]OA=A[/spoiler]
Source: GMAT Club Tests
(1) \(DBC\) is an equilateral triangle.
(2) \(ABD\) is an isosceles triangle.
[spoiler]OA=A[/spoiler]
Source: GMAT Club Tests
