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Max@Math Revolution
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[GMAT math practice question] 6.10
A 30-60-90 triangle is drawn on the exterior of equilateral triangle ABC as shown in the figure below so that the hypotenuse of the right triangle forms one side of the equilateral triangle. If the length of CD is 2, what is the length of AD?
A. 3
B. 4
C. 5
D. √7
E. 2√7
A 30-60-90 triangle is drawn on the exterior of equilateral triangle ABC as shown in the figure below so that the hypotenuse of the right triangle forms one side of the equilateral triangle. If the length of CD is 2, what is the length of AD?
A. 3
B. 4
C. 5
D. √7
E. 2√7
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