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Q15.The figure shows two concentric equilateral triangles with a circle within, such that the circle touches all the edges of the triangle. If the radius of the circle is √3 (square root of three), what is the total length of the star shaped outer border formed by the two intersecting triangles?
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Q17.Two perspective views of the same solid object are shown below. Count the total number of surfaces in the object. Assume hidden surfaces to be flat.
UCEED2019Q16·nat·Medium
Except for one number, all the four-digit numbers given below are written using a single font. Identify the number that does not use the same font as the other numbers.
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