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User Intra
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Answer:

CD = 2

Explanation:

If m∠CED = 30° and m∠CDE = 90° than triangle CED is half of equilateral triangle where CE is side of the equilateral triangle, DE is hight of equilateral the triangle and CD is half of side of the equilateral triangle.


\frac{CE\sqrt3}2=2\sqrt3\\\\CE\sqrt3=4\sqrt3\\\\CE=4=s\\\\CD=\frac s2=\frac42=2

Please answer this fast now-example-1
User Shani Goriwal
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